20567016704 has 72 divisors (see below), whose sum is σ = 46812485160. Its totient is φ = 8934064128.

The previous prime is 20567016703. The next prime is 20567016713. The reversal of 20567016704 is 40761076502.

It can be written as a sum of positive squares in 4 ways, for example, as 953574400 + 19613442304 = 30880^2 + 140048^2 .

It is a super-2 number, since 2×20567016704² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20567016703) 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, 125189 + ... + 238340.

It is an arithmetic number, because the mean of its divisors is an integer number (650173405).

Almost surely, 2^20567016704 is an apocalyptic number.

It is an amenable number.

20567016704 is an abundant number, since it is smaller than the sum of its proper divisors (26245468456).

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

20567016704 is a wasteful number, since it uses less digits than its factorization.

20567016704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363575 (or 363561 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 20567016704 in words is "twenty billion, five hundred sixty-seven million, sixteen thousand, seven hundred four".