213220022204 has 48 divisors (see below), whose sum is σ = 446941490688. Its totient is φ = 87021853248.

The previous prime is 213220022203. The next prime is 213220022329. The reversal of 213220022204 is 402220022312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220022203) 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, 583079 + ... + 875454.

It is an arithmetic number, because the mean of its divisors is an integer number (9311281056).

Almost surely, 2^213220022204 is an apocalyptic number.

It is an amenable number.

213220022204 is an abundant number, since it is smaller than the sum of its proper divisors (233721468484).

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

213220022204 is a wasteful number, since it uses less digits than its factorization.

213220022204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458794 (or 1458792 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 213220022204 its reverse (402220022312), we get a palindrome (615440044516).

The spelling of 213220022204 in words is "two hundred thirteen billion, two hundred twenty million, twenty-two thousand, two hundred four".