233011213020 has 72 divisors (see below), whose sum is σ = 707219088576. Its totient is φ = 62099540352.

The previous prime is 233011213003. The next prime is 233011213027. The reversal of 233011213020 is 20312110332.

233011213020 is a `hidden beast` number, since 2 + 330 + 11 + 21 + 302 + 0 = 666.

233011213020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 233011212984 and 233011213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233011213027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77572 + ... + 687051.

Almost surely, 2^233011213020 is an apocalyptic number.

233011213020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233011213020 is an abundant number, since it is smaller than the sum of its proper divisors (474207875556).

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

233011213020 is a wasteful number, since it uses less digits than its factorization.

233011213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766331 (or 766326 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 233011213020 its reverse (20312110332), we get a palindrome (253323323352).

It can be divided in two parts, 23301 and 1213020, that added together give a palindrome (1236321).

The spelling of 233011213020 in words is "two hundred thirty-three billion, eleven million, two hundred thirteen thousand, twenty".