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220002001020 = 22335407411113
BaseRepresentation
bin1100110011100100100…
…1000010000001111100
3210000212022120121122000
43030321021002001330
512101031003013040
6245022330222300
721615566103534
oct3147111020174
9700768517560
10220002001020
118533643765a
123677a284990
1317991247839
14a9107684c4
155ac9488130
hex333924207c

220002001020 has 48 divisors (see below), whose sum is σ = 684450671520. Its totient is φ = 58667200128.

The previous prime is 220002001007. The next prime is 220002001049. The reversal of 220002001020 is 20100200022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 220002000993 and 220002001011.

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, 203705017 + ... + 203706096.

It is an arithmetic number, because the mean of its divisors is an integer number (14259388990).

Almost surely, 2220002001020 is an apocalyptic number.

220002001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220002001020 is an abundant number, since it is smaller than the sum of its proper divisors (464448670500).

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

220002001020 is a wasteful number, since it uses less digits than its factorization.

220002001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407411131 (or 407411123 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 220002001020 its reverse (20100200022), we get a palindrome (240102201042).

The spelling of 220002001020 in words is "two hundred twenty billion, two million, one thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 407411113 814822226 1222233339 1629644452 2037055565 2444466678 3666700017 4074111130 4888933356 6111166695 7333400034 8148222260 11000100051 12222333390 14666800068 18333500085 22000200102 24444666780 36667000170 44000400204 55000500255 73334000340 110001000510 220002001020