213033023220 has 48 divisors (see below), whose sum is σ = 627886808640. Its totient is φ = 53818868736.

The previous prime is 213033023183. The next prime is 213033023261. The reversal of 213033023220 is 22320330312.

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, 93434397 + ... + 93436676.

It is an arithmetic number, because the mean of its divisors is an integer number (13080975180).

Almost surely, 2^213033023220 is an apocalyptic number.

213033023220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213033023220 is an abundant number, since it is smaller than the sum of its proper divisors (414853785420).

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

213033023220 is a wasteful number, since it uses less digits than its factorization.

213033023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186871104 (or 186871102 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 213033023220 its reverse (22320330312), we get a palindrome (235353353532).

The spelling of 213033023220 in words is "two hundred thirteen billion, thirty-three million, twenty-three thousand, two hundred twenty".