213204224202220 has 48 divisors (see below), whose sum is σ = 450243938944800. Its totient is φ = 84802715804160.

The previous prime is 213204224202163. The next prime is 213204224202253. The reversal of 213204224202220 is 22202422402312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36713791 + ... + 42122569.

It is an arithmetic number, because the mean of its divisors is an integer number (9380082061350).

Almost surely, 2^{213204224202220} is an apocalyptic number.

213204224202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213204224202220 is an abundant number, since it is smaller than the sum of its proper divisors (237039714742580).

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

213204224202220 is a wasteful number, since it uses less digits than its factorization.

213204224202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419858 (or 5419856 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 213204224202220 its reverse (22202422402312), we get a palindrome (235406646604532).

The spelling of 213204224202220 in words is "two hundred thirteen trillion, two hundred four billion, two hundred twenty-four million, two hundred two thousand, two hundred twenty".