20524553452 has 12 divisors (see below), whose sum is σ = 38680889296. Its totient is φ = 9472870800.

The previous prime is 20524553417. The next prime is 20524553453. The reversal of 20524553452 is 25435542502.

It is not an unprimeable number, because it can be changed into a prime (20524553453) 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, 197351424 + ... + 197351527.

Almost surely, 2^20524553452 is an apocalyptic number.

It is an amenable number.

20524553452 is a deficient number, since it is larger than the sum of its proper divisors (18156335844).

20524553452 is a wasteful number, since it uses less digits than its factorization.

20524553452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394702968 (or 394702966 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 20524553452 in words is "twenty billion, five hundred twenty-four million, five hundred fifty-three thousand, four hundred fifty-two".