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204244460020 = 225101591005239
BaseRepresentation
bin1011111000110111101…
…0110010000111110100
3201112012010222121001101
42332031322302013310
511321243040210040
6233454551335444
720520240160006
oct2761572620764
9645163877041
10204244460020
117968a7448a7
1233701081584
131634c793793
149c57aac376
1554a5dd709a
hex2f8deb21f4

204244460020 has 24 divisors (see below), whose sum is σ = 428956012800. Its totient is φ = 81689660832.

The previous prime is 204244459981. The next prime is 204244460047. The reversal of 204244460020 is 20064442402.

It is a super-2 number, since 2×2042444600202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299440 + ... + 705799.

It is an arithmetic number, because the mean of its divisors is an integer number (17873167200).

Almost surely, 2204244460020 is an apocalyptic number.

204244460020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204244460020 is an abundant number, since it is smaller than the sum of its proper divisors (224711552780).

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

204244460020 is a wasteful number, since it uses less digits than its factorization.

204244460020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015407 (or 1015405 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The spelling of 204244460020 in words is "two hundred four billion, two hundred forty-four million, four hundred sixty thousand, twenty".

Divisors: 1 2 4 5 10 20 10159 20318 40636 50795 101590 203180 1005239 2010478 4020956 5026195 10052390 20104780 10212223001 20424446002 40848892004 51061115005 102122230010 204244460020