233100020 has 48 divisors (see below), whose sum is σ = 496531728. Its totient is φ = 91914240.

The previous prime is 233100017. The next prime is 233100031. The reversal of 233100020 is 20001332.

It can be written as a sum of positive squares in 8 ways, for example, as 781456 + 232318564 = 884^2 + 15242^2 .

It is a junction number, because it is equal to n+sod(n) for n = 233099974 and 233100010.

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, 660164 + ... + 660516.

It is an arithmetic number, because the mean of its divisors is an integer number (10344411).

Almost surely, 2^233100020 is an apocalyptic number.

233100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233100020 is an abundant number, since it is smaller than the sum of its proper divisors (263431708).

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

233100020 is a wasteful number, since it uses less digits than its factorization.

233100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 233100020 is about 15267.6134349806. The cubic root of 233100020 is about 615.4329865584.

Adding to 233100020 its reverse (20001332), we get a palindrome (253101352).

The spelling of 233100020 in words is "two hundred thirty-three million, one hundred thousand, twenty".