220022515664 has 40 divisors (see below), whose sum is σ = 487945876608. Its totient is φ = 94149590400.

The previous prime is 220022515663. The next prime is 220022515681. The reversal of 220022515664 is 466515220022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022515663) 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, 1445687 + ... + 1590614.

Almost surely, 2^220022515664 is an apocalyptic number.

It is an amenable number.

220022515664 is an abundant number, since it is smaller than the sum of its proper divisors (267923360944).

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

220022515664 is a wasteful number, since it uses less digits than its factorization.

220022515664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036963 (or 3036957 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 220022515664 its reverse (466515220022), we get a palindrome (686537735686).

The spelling of 220022515664 in words is "two hundred twenty billion, twenty-two million, five hundred fifteen thousand, six hundred sixty-four".