213313123020 has 48 divisors (see below), whose sum is σ = 599160951648. Its totient is φ = 56704051200.

The previous prime is 213313122983. The next prime is 213313123033. The reversal of 213313123020 is 20321313312.

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, 5588581 + ... + 5626620.

It is an arithmetic number, because the mean of its divisors is an integer number (12482519826).

Almost surely, 2^213313123020 is an apocalyptic number.

213313123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213313123020 is an abundant number, since it is smaller than the sum of its proper divisors (385847828628).

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

213313123020 is a wasteful number, since it uses less digits than its factorization.

213313123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215530 (or 11215528 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213313123020 its reverse (20321313312), we get a palindrome (233634436332).

The spelling of 213313123020 in words is "two hundred thirteen billion, three hundred thirteen million, one hundred twenty-three thousand, twenty".