9920052052 has 24 divisors (see below), whose sum is σ = 17633996352. Its totient is φ = 4882046400.

The previous prime is 9920051941. The next prime is 9920052061. The reversal of 9920052052 is 2502500299.

It is a junction number, because it is equal to n+sod(n) for n = 9920051999 and 9920052017.

It is a congruent number.

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, 108777 + ... + 177967.

It is an arithmetic number, because the mean of its divisors is an integer number (734749848).

Almost surely, 2^9920052052 is an apocalyptic number.

It is an amenable number.

9920052052 is a deficient number, since it is larger than the sum of its proper divisors (7713944300).

9920052052 is a wasteful number, since it uses less digits than its factorization.

9920052052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69759 (or 69757 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 9920052052 is about 99599.4580908953. The cubic root of 9920052052 is about 2148.6779001295.

The spelling of 9920052052 in words is "nine billion, nine hundred twenty million, fifty-two thousand, fifty-two".