233113113020 has 48 divisors (see below), whose sum is σ = 540870136128. Its totient is φ = 83944565760.

The previous prime is 233113113011. The next prime is 233113113031. The reversal of 233113113020 is 20311311332.

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 = 233113112983 and 233113113001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14897111 + ... + 14912750.

It is an arithmetic number, because the mean of its divisors is an integer number (11268127836).

Almost surely, 2^233113113020 is an apocalyptic number.

233113113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233113113020 is an abundant number, since it is smaller than the sum of its proper divisors (307757023108).

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

233113113020 is a wasteful number, since it uses less digits than its factorization.

233113113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29809910 (or 29809908 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 233113113020 its reverse (20311311332), we get a palindrome (253424424352).

The spelling of 233113113020 in words is "two hundred thirty-three billion, one hundred thirteen million, one hundred thirteen thousand, twenty".