Search a number
-
+
22222010020020 = 2235715216434277
BaseRepresentation
bin1010000110101111101110…
…00000110111000010110100
32220200101220002022220110220
411003113313000313002310
510403041134031120040
6115132352300214340
74452326060404356
oct503276700670264
986611802286426
1022222010020020
117098335369908
1225aa93623a3b0
13c526acab6c55
1456b7a001b0d6
152880a37452d0
hex1435f70370b4

22222010020020 has 48 divisors (see below), whose sum is σ = 63097989026688. Its totient is φ = 5842406389120.

The previous prime is 22222010019997. The next prime is 22222010020043. The reversal of 22222010020020 is 2002001022222.

It is an interprime number because it is at equal distance from previous prime (22222010019997) and next prime (22222010020043).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2608212879 + ... + 2608221398.

It is an arithmetic number, because the mean of its divisors is an integer number (1314541438056).

Almost surely, 222222010020020 is an apocalyptic number.

22222010020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222010020020 is an abundant number, since it is smaller than the sum of its proper divisors (40875979006668).

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

22222010020020 is a wasteful number, since it uses less digits than its factorization.

22222010020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216434360 (or 5216434358 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22222010020020 its reverse (2002001022222), we get a palindrome (24224011042242).

The spelling of 22222010020020 in words is "twenty-two trillion, two hundred twenty-two billion, ten million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 4260 5216434277 10432868554 15649302831 20865737108 26082171385 31298605662 52164342770 62597211324 78246514155 104328685540 156493028310 312986056620 370366833667 740733667334 1111100501001 1481467334668 1851834168335 2222201002002 3703668336670 4444402004004 5555502505005 7407336673340 11111005010010 22222010020020