192997969920 has 1248 divisors, whose sum is σ = 847119772800. Its totient is φ = 41419800576.

The previous prime is 192997969897. The next prime is 192997969979. The reversal of 192997969920 is 29969799291.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 460615471 + ... + 460615889.

Almost surely, 2^192997969920 is an apocalyptic number.

192997969920 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 192997969920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423559886400).

192997969920 is an abundant number, since it is smaller than the sum of its proper divisors (654121802880).

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

192997969920 is a wasteful number, since it uses less digits than its factorization.

192997969920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 89282088, while the sum is 72.

The spelling of 192997969920 in words is "one hundred ninety-two billion, nine hundred ninety-seven million, nine hundred sixty-nine thousand, nine hundred twenty".