233013231020 has 24 divisors (see below), whose sum is σ = 492848134800. Its totient is φ = 92534749632.

The previous prime is 233013231019. The next prime is 233013231047. The reversal of 233013231020 is 20132310332.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 233013230983 and 233013231001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41906075 + ... + 41911634.

It is an arithmetic number, because the mean of its divisors is an integer number (20535338950).

Almost surely, 2^233013231020 is an apocalyptic number.

233013231020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233013231020 is an abundant number, since it is smaller than the sum of its proper divisors (259834903780).

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

233013231020 is a wasteful number, since it uses less digits than its factorization.

233013231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83817857 (or 83817855 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 233013231020 its reverse (20132310332), we get a palindrome (253145541352).

The spelling of 233013231020 in words is "two hundred thirty-three billion, thirteen million, two hundred thirty-one thousand, twenty".