231203300020 has 48 divisors (see below), whose sum is σ = 605332280448. Its totient is φ = 72063365760.

The previous prime is 231203299967. The next prime is 231203300089. The reversal of 231203300020 is 20003302132.

231203300020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231203299967 and 231203300003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75064467 + ... + 75067546.

It is an arithmetic number, because the mean of its divisors is an integer number (12611089176).

Almost surely, 2^231203300020 is an apocalyptic number.

231203300020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231203300020 is an abundant number, since it is smaller than the sum of its proper divisors (374128980428).

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

231203300020 is a wasteful number, since it uses less digits than its factorization.

231203300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150132040 (or 150132038 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 231203300020 its reverse (20003302132), we get a palindrome (251206602152).

The spelling of 231203300020 in words is "two hundred thirty-one billion, two hundred three million, three hundred thousand, twenty".