10197970020 has 72 divisors (see below), whose sum is σ = 35352967104. Its totient is φ = 2330964288.

The previous prime is 10197970009. The next prime is 10197970021. The reversal of 10197970020 is 2007979101.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (10197970021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4045554 + ... + 4048073.

It is an arithmetic number, because the mean of its divisors is an integer number (491013432).

Almost surely, 2^10197970020 is an apocalyptic number.

10197970020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10197970020 is an abundant number, since it is smaller than the sum of its proper divisors (25154997084).

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

10197970020 is a wasteful number, since it uses less digits than its factorization.

10197970020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093649 (or 8093644 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The spelling of 10197970020 in words is "ten billion, one hundred ninety-seven million, nine hundred seventy thousand, twenty".