20522511052 has 12 divisors (see below), whose sum is σ = 35935035136. Its totient is φ = 10255358160.

The previous prime is 20522510999. The next prime is 20522511077. The reversal of 20522511052 is 25011522502.

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, 1466508 + ... + 1480435.

Almost surely, 2^20522511052 is an apocalyptic number.

It is an amenable number.

20522511052 is a deficient number, since it is larger than the sum of its proper divisors (15412524084).

20522511052 is a wasteful number, since it uses less digits than its factorization.

20522511052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948688 (or 2948686 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 20522511052 in words is "twenty billion, five hundred twenty-two million, five hundred eleven thousand, fifty-two".