230331202020 has 96 divisors (see below), whose sum is σ = 716702864640. Its totient is φ = 61411633920.

The previous prime is 230331202007. The next prime is 230331202037. The reversal of 230331202020 is 20202133032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 230331201984 and 230331202002.

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, 3636825 + ... + 3699615.

It is an arithmetic number, because the mean of its divisors is an integer number (7465654840).

Almost surely, 2^230331202020 is an apocalyptic number.

230331202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230331202020 is an abundant number, since it is smaller than the sum of its proper divisors (486371662620).

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

230331202020 is a wasteful number, since it uses less digits than its factorization.

230331202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69602 (or 69594 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 230331202020 its reverse (20202133032), we get a palindrome (250533335052).

The spelling of 230331202020 in words is "two hundred thirty billion, three hundred thirty-one million, two hundred two thousand, twenty".