192920001820 has 48 divisors (see below), whose sum is σ = 498624009408. Its totient is φ = 61056000000.

The previous prime is 192920001809. The next prime is 192920001839. The reversal of 192920001820 is 28100029291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52998181 + ... + 53001820.

It is an arithmetic number, because the mean of its divisors is an integer number (10388000196).

Almost surely, 2^192920001820 is an apocalyptic number.

192920001820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

192920001820 is an abundant number, since it is smaller than the sum of its proper divisors (305704007588).

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

192920001820 is a wasteful number, since it uses less digits than its factorization.

192920001820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106000030 (or 106000028 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 192920001820 in words is "one hundred ninety-two billion, nine hundred twenty million, one thousand, eight hundred twenty".