1020192920 has 64 divisors (see below), whose sum is σ = 2353384800. Its totient is φ = 397900800.

The previous prime is 1020192913. The next prime is 1020192977. The reversal of 1020192920 is 292910201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020192920.

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, 268796 + ... + 272564.

Almost surely, 2^1020192920 is an apocalyptic number.

1020192920 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 1020192920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176692400).

1020192920 is an abundant number, since it is smaller than the sum of its proper divisors (1333191880).

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

1020192920 is a wasteful number, since it uses less digits than its factorization.

1020192920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948 (or 3944 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1020192920 is about 31940.4589823002. The cubic root of 1020192920 is about 1006.6861688448.

The spelling of 1020192920 in words is "one billion, twenty million, one hundred ninety-two thousand, nine hundred twenty".