979819020 has 36 divisors (see below), whose sum is σ = 2972118240. Its totient is φ = 261285024.

The previous prime is 979819007. The next prime is 979819031. The reversal of 979819020 is 20918979.

979819020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2721540 + ... + 2721899.

It is an arithmetic number, because the mean of its divisors is an integer number (82558840).

Almost surely, 2^979819020 is an apocalyptic number.

979819020 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

979819020 is an abundant number, since it is smaller than the sum of its proper divisors (1992299220).

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

979819020 is a wasteful number, since it uses less digits than its factorization.

979819020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443454 (or 5443449 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 979819020 is about 31302.0609545122. The cubic root of 979819020 is about 993.2272399440.

The spelling of 979819020 in words is "nine hundred seventy-nine million, eight hundred nineteen thousand, twenty".