231072620 has 12 divisors (see below), whose sum is σ = 485252544. Its totient is φ = 92429040.

The previous prime is 231072601. The next prime is 231072637. The reversal of 231072620 is 26270132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5776796 + ... + 5776835.

It is an arithmetic number, because the mean of its divisors is an integer number (40437712).

Almost surely, 2^231072620 is an apocalyptic number.

231072620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231072620 is an abundant number, since it is smaller than the sum of its proper divisors (254179924).

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

231072620 is a wasteful number, since it uses less digits than its factorization.

231072620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11553640 (or 11553638 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 231072620 is about 15201.0729884439. The cubic root of 231072620 is about 613.6435346678.

The spelling of 231072620 in words is "two hundred thirty-one million, seventy-two thousand, six hundred twenty".