979271020 has 96 divisors (see below), whose sum is σ = 2664345600. Its totient is φ = 293601024.

The previous prime is 979271017. The next prime is 979271021. The reversal of 979271020 is 20172979.

979271020 = T₂₄₆ + T₂₄₇ + ... + T₁₈₀₅.

It is a super-2 number, since 2×979271020² = 1917943461223680800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (979271021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20421 + ... + 48739.

It is an arithmetic number, because the mean of its divisors is an integer number (27753600).

Almost surely, 2^979271020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979271020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332172800).

979271020 is an abundant number, since it is smaller than the sum of its proper divisors (1685074580).

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

979271020 is a wasteful number, since it uses less digits than its factorization.

979271020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28367 (or 28365 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 979271020 is about 31293.3063130121. The cubic root of 979271020 is about 993.0420390654.

The spelling of 979271020 in words is "nine hundred seventy-nine million, two hundred seventy-one thousand, twenty".