20524555112 has 16 divisors (see below), whose sum is σ = 38518766340. Its totient is φ = 10252884096.

The previous prime is 20524555087. The next prime is 20524555133. The reversal of 20524555112 is 21155542502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19648750276 + 875804836 = 140174^2 + 29594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164893 + ... + 1182380.

Almost surely, 2^20524555112 is an apocalyptic number.

It is an amenable number.

20524555112 is a deficient number, since it is larger than the sum of its proper divisors (17994211228).

20524555112 is a wasteful number, since it uses less digits than its factorization.

20524555112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348372 (or 2348368 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 20524555112 in words is "twenty billion, five hundred twenty-four million, five hundred fifty-five thousand, one hundred twelve".