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20133044204 = 22713232404807
BaseRepresentation
bin10010110000000001…
…011101111111101100
31220222002212121120212
4102300001131333230
5312213024403304
613125441001552
71311626023610
oct226001357754
956862777525
1020133044204
1185a1640109
123a9a6232b8
131b8b11ac10
14d8dc39340
157cc79b66e
hex4b005dfec

20133044204 has 48 divisors (see below), whose sum is σ = 45248867328. Its totient is φ = 7618425408.

The previous prime is 20133044069. The next prime is 20133044207. The reversal of 20133044204 is 40244033102.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 20133044204.

It is not an unprimeable number, because it can be changed into a prime (20133044207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1194032 + ... + 1210775.

It is an arithmetic number, because the mean of its divisors is an integer number (942684736).

Almost surely, 220133044204 is an apocalyptic number.

It is an amenable number.

20133044204 is an abundant number, since it is smaller than the sum of its proper divisors (25115823124).

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

20133044204 is a wasteful number, since it uses less digits than its factorization.

20133044204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404854 (or 2404852 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20133044204 its reverse (40244033102), we get a palindrome (60377077306).

The spelling of 20133044204 in words is "twenty billion, one hundred thirty-three million, forty-four thousand, two hundred four".

Divisors: 1 2 4 7 13 14 23 26 28 46 52 91 92 161 182 299 322 364 598 644 1196 2093 4186 8372 2404807 4809614 9619228 16833649 31262491 33667298 55310561 62524982 67334596 110621122 125049964 218837437 221242244 387173927 437674874 719037293 774347854 875349748 1438074586 1548695708 2876149172 5033261051 10066522102 20133044204