8170672020 has 96 divisors (see below), whose sum is σ = 26158798848. Its totient is φ = 1866678912.

The previous prime is 8170672009. The next prime is 8170672031. The reversal of 8170672020 is 202760718.

It is an interprime number because it is at equal distance from previous prime (8170672009) and next prime (8170672031).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1284969 + ... + 1291311.

It is an arithmetic number, because the mean of its divisors is an integer number (272487488).

Almost surely, 2^8170672020 is an apocalyptic number.

It is an amenable number.

8170672020 is an abundant number, since it is smaller than the sum of its proper divisors (17988126828).

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

8170672020 is a wasteful number, since it uses less digits than its factorization.

8170672020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9429 (or 9427 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 8170672020 is about 90391.7696474629. The cubic root of 8170672020 is about 2014.1227081583.

The spelling of 8170672020 in words is "eight billion, one hundred seventy million, six hundred seventy-two thousand, twenty".