213010333020 has 36 divisors (see below), whose sum is σ = 646131344040. Its totient is φ = 56802755424.

The previous prime is 213010332989. The next prime is 213010333033. The reversal of 213010333020 is 20333010312.

213010333020 is a `hidden beast` number, since 213 + 0 + 103 + 330 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 213010332984 and 213010333002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591695190 + ... + 591695549.

It is an arithmetic number, because the mean of its divisors is an integer number (17948092890).

Almost surely, 2^213010333020 is an apocalyptic number.

213010333020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213010333020 is an abundant number, since it is smaller than the sum of its proper divisors (433121011020).

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

213010333020 is a wasteful number, since it uses less digits than its factorization.

213010333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183390754 (or 1183390749 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 213010333020 its reverse (20333010312), we get a palindrome (233343343332).

The spelling of 213010333020 in words is "two hundred thirteen billion, ten million, three hundred thirty-three thousand, twenty".