9920898008 has 32 divisors (see below), whose sum is σ = 21944847360. Its totient is φ = 4114657440.

The previous prime is 9920897983. The next prime is 9920898019. The reversal of 9920898008 is 8008980299.

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, 2855666 + ... + 2859137.

It is an arithmetic number, because the mean of its divisors is an integer number (685776480).

Almost surely, 2^9920898008 is an apocalyptic number.

It is an amenable number.

9920898008 is an abundant number, since it is smaller than the sum of its proper divisors (12023949352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9920898008 is a wasteful number, since it uses less digits than its factorization.

9920898008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714847 (or 5714843 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 53.

The square root of 9920898008 is about 99603.7047905348. The cubic root of 9920898008 is about 2148.7389762638.

The spelling of 9920898008 in words is "nine billion, nine hundred twenty million, eight hundred ninety-eight thousand, eight".