220642496786404 has 48 divisors (see below), whose sum is σ = 481434571699200. Its totient is φ = 85958759043360.

The previous prime is 220642496786389. The next prime is 220642496786429. The reversal of 220642496786404 is 404687694246022.

220642496786404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220642496786404² (a number of 29 digits) contains 22 as substring.

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, 19840752 + ... + 28895335.

It is an arithmetic number, because the mean of its divisors is an integer number (10029886910400).

Almost surely, 2^{220642496786404} is an apocalyptic number.

It is an amenable number.

220642496786404 is an abundant number, since it is smaller than the sum of its proper divisors (260792074912796).

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

220642496786404 is a wasteful number, since it uses less digits than its factorization.

220642496786404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48750808 (or 48750806 counting only the distinct ones).

The product of its (nonzero) digits is 222953472, while the sum is 64.

The spelling of 220642496786404 in words is "two hundred twenty trillion, six hundred forty-two billion, four hundred ninety-six million, seven hundred eighty-six thousand, four hundred four".