20533124552 has 16 divisors (see below), whose sum is σ = 40764291660. Its totient is φ = 9662646784.

The previous prime is 20533124531. The next prime is 20533124593. The reversal of 20533124552 is 25542133502.

It can be written as a sum of positive squares in 2 ways, for example, as 16761445156 + 3771679396 = 129466^2 + 61414^2 .

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, 75489293 + ... + 75489564.

Almost surely, 2^20533124552 is an apocalyptic number.

It is an amenable number.

20533124552 is a deficient number, since it is larger than the sum of its proper divisors (20231167108).

20533124552 is a wasteful number, since it uses less digits than its factorization.

20533124552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150978880 (or 150978876 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 20533124552 in words is "twenty billion, five hundred thirty-three million, one hundred twenty-four thousand, five hundred fifty-two".