220406162504 has 32 divisors (see below), whose sum is σ = 455896317600. Its totient is φ = 99058945920.

The previous prime is 220406162461. The next prime is 220406162521. The reversal of 220406162504 is 405261604022.

220406162504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14063042 + ... + 14078705.

It is an arithmetic number, because the mean of its divisors is an integer number (14246759925).

Almost surely, 2^220406162504 is an apocalyptic number.

It is an amenable number.

220406162504 is an abundant number, since it is smaller than the sum of its proper divisors (235490155096).

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

220406162504 is a wasteful number, since it uses less digits than its factorization.

220406162504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28141853 (or 28141849 counting only the distinct ones).

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

Adding to 220406162504 its reverse (405261604022), we get a palindrome (625667766526).

The spelling of 220406162504 in words is "two hundred twenty billion, four hundred six million, one hundred sixty-two thousand, five hundred four".