192992290820 has 384 divisors, whose sum is σ = 508370688000. Its totient is φ = 61394651136.

The previous prime is 192992290819. The next prime is 192992290831. The reversal of 192992290820 is 28092299291.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1155642377 + ... + 1155642543.

It is an arithmetic number, because the mean of its divisors is an integer number (1323882000).

Almost surely, 2^192992290820 is an apocalyptic number.

192992290820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 192992290820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254185344000).

192992290820 is an abundant number, since it is smaller than the sum of its proper divisors (315378397180).

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

192992290820 is a wasteful number, since it uses less digits than its factorization.

192992290820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 192992290820 in words is "one hundred ninety-two billion, nine hundred ninety-two million, two hundred ninety thousand, eight hundred twenty".