231089242020 has 288 divisors, whose sum is σ = 817778602368. Its totient is φ = 48324907008.

The previous prime is 231089242019. The next prime is 231089242039. The reversal of 231089242020 is 20242980132.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4292107 + ... + 4345613.

It is an arithmetic number, because the mean of its divisors is an integer number (2839509036).

Almost surely, 2^231089242020 is an apocalyptic number.

231089242020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231089242020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408889301184).

231089242020 is an abundant number, since it is smaller than the sum of its proper divisors (586689360348).

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

231089242020 is a wasteful number, since it uses less digits than its factorization.

231089242020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53659 (or 53650 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 231089242020 in words is "two hundred thirty-one billion, eighty-nine million, two hundred forty-two thousand, twenty".