231272020 has 24 divisors (see below), whose sum is σ = 555053184. Its totient is φ = 79293216.

The previous prime is 231272011. The next prime is 231272039. The reversal of 231272020 is 20272132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825832 + ... + 826111.

It is an arithmetic number, because the mean of its divisors is an integer number (23127216).

Almost surely, 2^231272020 is an apocalyptic number.

231272020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231272020 is an abundant number, since it is smaller than the sum of its proper divisors (323781164).

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

231272020 is a wasteful number, since it uses less digits than its factorization.

231272020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651959 (or 1651957 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 231272020 is about 15207.6303216510. The cubic root of 231272020 is about 613.8199948378.

The spelling of 231272020 in words is "two hundred thirty-one million, two hundred seventy-two thousand, twenty".