220104554502 has 32 divisors (see below), whose sum is σ = 503122086144. Its totient is φ = 62883770400.

The previous prime is 220104554431. The next prime is 220104554513. The reversal of 220104554502 is 205455401022.

It is a self number, because there is not a number n which added to its sum of digits gives 220104554502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757752 + ... + 1007172.

It is an arithmetic number, because the mean of its divisors is an integer number (15722565192).

Almost surely, 2^220104554502 is an apocalyptic number.

220104554502 is an abundant number, since it is smaller than the sum of its proper divisors (283017531642).

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

220104554502 is a wasteful number, since it uses less digits than its factorization.

220104554502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270444.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 220104554502 its reverse (205455401022), we get a palindrome (425559955524).

The spelling of 220104554502 in words is "two hundred twenty billion, one hundred four million, five hundred fifty-four thousand, five hundred two".