213200120220 has 24 divisors (see below), whose sum is σ = 596960336784. Its totient is φ = 56853365376.

The previous prime is 213200120219. The next prime is 213200120227. The reversal of 213200120220 is 22021002312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 213200120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213200120227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1776667609 + ... + 1776667728.

It is an arithmetic number, because the mean of its divisors is an integer number (24873347366).

Almost surely, 2^213200120220 is an apocalyptic number.

213200120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213200120220 is an abundant number, since it is smaller than the sum of its proper divisors (383760216564).

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

213200120220 is a wasteful number, since it uses less digits than its factorization.

213200120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553335349 (or 3553335347 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 213200120220 its reverse (22021002312), we get a palindrome (235221122532).

The spelling of 213200120220 in words is "two hundred thirteen billion, two hundred million, one hundred twenty thousand, two hundred twenty".