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22020201001020 = 2235597677781019
BaseRepresentation
bin1010000000110111110100…
…10000100011000000111100
32212222002222200001112102210
411000123322100203000330
510341234332424013040
6114455535104420420
74431623052140445
oct500337220430074
985862880045383
1022020201001020
11701a795443992
1225777b4917710
13c3965aa6a841
14561ad79962cc
15282be1585480
hex1406fa42303c

22020201001020 has 96 divisors (see below), whose sum is σ = 62703179884800. Its totient is φ = 5772380834304.

The previous prime is 22020201000907. The next prime is 22020201001027. The reversal of 22020201001020 is 2010010202022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22020201000987 and 22020201001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020201001027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271750071 + ... + 271831089.

It is an arithmetic number, because the mean of its divisors is an integer number (653158123800).

Almost surely, 222020201001020 is an apocalyptic number.

22020201001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020201001020 is an abundant number, since it is smaller than the sum of its proper divisors (40682978883780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22020201001020 is a wasteful number, since it uses less digits than its factorization.

22020201001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157867 (or 157865 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22020201001020 its reverse (2010010202022), we get a palindrome (24030211203042).

The spelling of 22020201001020 in words is "twenty-two trillion, twenty billion, two hundred one million, one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 76777 81019 153554 162038 230331 243057 307108 324076 383885 405095 460662 486114 767770 810190 921324 972228 1151655 1215285 1535540 1620380 2303310 2430570 4529843 4606620 4780121 4861140 9059686 9560242 13589529 14340363 18119372 19120484 22649215 23900605 27179058 28680726 45298430 47801210 54358116 57361452 67947645 71701815 90596860 95602420 135895290 143403630 271790580 286807260 6220395763 12440791526 18661187289 24881583052 31101978815 37322374578 62203957630 74644749156 93305936445 124407915260 186611872890 367003350017 373223745780 734006700034 1101010050051 1468013400068 1835016750085 2202020100102 3670033500170 4404040200204 5505050250255 7340067000340 11010100500510 22020201001020