220215132120434 has 64 divisors (see below), whose sum is σ = 399088526376960. Its totient is φ = 89898539301120.

The previous prime is 220215132120427. The next prime is 220215132120443. The reversal of 220215132120434 is 434021231512022.

It is a self number, because there is not a number n which added to its sum of digits gives 220215132120434.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26945234 + ... + 34153709.

It is an arithmetic number, because the mean of its divisors is an integer number (6235758224640).

Almost surely, 2^{220215132120434} is an apocalyptic number.

220215132120434 is a deficient number, since it is larger than the sum of its proper divisors (178873394256526).

220215132120434 is a wasteful number, since it uses less digits than its factorization.

220215132120434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61099415.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 220215132120434 its reverse (434021231512022), we get a palindrome (654236363632456).

The spelling of 220215132120434 in words is "two hundred twenty trillion, two hundred fifteen billion, one hundred thirty-two million, one hundred twenty thousand, four hundred thirty-four".