213200220 has 48 divisors (see below), whose sum is σ = 605380608. Its totient is φ = 56051520.

The previous prime is 213200203. The next prime is 213200227. The reversal of 213200220 is 22002312.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 213200196 and 213200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213200227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20764 + ... + 29283.

It is an arithmetic number, because the mean of its divisors is an integer number (12612096).

Almost surely, 2^213200220 is an apocalyptic number.

213200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213200220 is an abundant number, since it is smaller than the sum of its proper divisors (392180388).

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

213200220 is a wasteful number, since it uses less digits than its factorization.

213200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50130 (or 50128 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 213200220 is about 14601.3773322930. The cubic root of 213200220 is about 597.3963289493.

Adding to 213200220 its reverse (22002312), we get a palindrome (235202532).

The spelling of 213200220 in words is "two hundred thirteen million, two hundred thousand, two hundred twenty".