230231311120020 has 96 divisors (see below), whose sum is σ = 737237658882816. Its totient is φ = 52588766592000.

The previous prime is 230231311119893. The next prime is 230231311120021. The reversal of 230231311120020 is 20021113132032.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230231311120021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184445431 + ... + 185689470.

It is an arithmetic number, because the mean of its divisors is an integer number (7679558946696).

Almost surely, 2^{230231311120020} is an apocalyptic number.

230231311120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230231311120020 is an abundant number, since it is smaller than the sum of its proper divisors (507006347762796).

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

230231311120020 is a wasteful number, since it uses less digits than its factorization.

230231311120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370136401 (or 370136399 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 230231311120020 its reverse (20021113132032), we get a palindrome (250252424252052).

The spelling of 230231311120020 in words is "two hundred thirty trillion, two hundred thirty-one billion, three hundred eleven million, one hundred twenty thousand, twenty".