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20010504332 = 2271354973913
BaseRepresentation
bin10010101000101110…
…000001000010001100
31220122120021221111002
4102220232001002030
5311440142114312
613105342315432
71305610323530
oct225056010214
956576257432
1020010504332
118539454095
123a65588b78
131b6b914c10
14d7b85bbc0
157c1b434c2
hex4a8b8108c

20010504332 has 24 divisors (see below), whose sum is σ = 43099548576. Its totient is φ = 7916243328.

The previous prime is 20010504331. The next prime is 20010504343. The reversal of 20010504332 is 23340501002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20010504331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27486593 + ... + 27487320.

It is an arithmetic number, because the mean of its divisors is an integer number (1795814524).

Almost surely, 220010504332 is an apocalyptic number.

It is an amenable number.

20010504332 is an abundant number, since it is smaller than the sum of its proper divisors (23089044244).

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

20010504332 is a wasteful number, since it uses less digits than its factorization.

20010504332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54973937 (or 54973935 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The spelling of 20010504332 in words is "twenty billion, ten million, five hundred four thousand, three hundred thirty-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 54973913 109947826 219895652 384817391 714660869 769634782 1429321738 1539269564 2858643476 5002626083 10005252166 20010504332