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20016341164 = 225171967721
BaseRepresentation
bin10010101001000100…
…010010000010101100
31220122222021111010001
4102221010102002230
5311443140404124
613110111354044
71306011043531
oct225104220254
956588244101
1020016341164
118541780416
123a67522924
131b6cba9871
14d7c53ad88
157c23e7b44
hex4a91120ac

20016341164 has 12 divisors (see below), whose sum is σ = 35035407288. Its totient is φ = 10006224800.

The previous prime is 20016341131. The next prime is 20016341167. The reversal of 20016341164 is 46114361002.

It is not an unprimeable number, because it can be changed into a prime (20016341167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463177 + ... + 504544.

It is an arithmetic number, because the mean of its divisors is an integer number (2919617274).

Almost surely, 220016341164 is an apocalyptic number.

It is an amenable number.

20016341164 is a deficient number, since it is larger than the sum of its proper divisors (15019066124).

20016341164 is a wasteful number, since it uses less digits than its factorization.

20016341164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972896 (or 972894 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 20016341164 in words is "twenty billion, sixteen million, three hundred forty-one thousand, one hundred sixty-four".

Divisors: 1 2 4 5171 10342 20684 967721 1935442 3870884 5004085291 10008170582 20016341164