20107495312 has 40 divisors (see below), whose sum is σ = 40086507960. Its totient is φ = 9766348800.

The previous prime is 20107495283. The next prime is 20107495327. The reversal of 20107495312 is 21359470102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7144306576 + 12963188736 = 84524^2 + 113856^2 .

It is a super-2 number, since 2×20107495312² (a number of 21 digits) contains 22 as substring.

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, 31737 + ... + 203032.

It is an arithmetic number, because the mean of its divisors is an integer number (1002162699).

Almost surely, 2^20107495312 is an apocalyptic number.

It is an amenable number.

20107495312 is a deficient number, since it is larger than the sum of its proper divisors (19979012648).

20107495312 is a wasteful number, since it uses less digits than its factorization.

20107495312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234931 (or 234925 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 20107495312 in words is "twenty billion, one hundred seven million, four hundred ninety-five thousand, three hundred twelve".