220871802144 has 96 divisors (see below), whose sum is σ = 662701326336. Its totient is φ = 63098046720.

The previous prime is 220871802101. The next prime is 220871802191. The reversal of 220871802144 is 441208178022.

It is a tau number, because it is divible by the number of its divisors (96).

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, 6778339 + ... + 6810845.

It is an arithmetic number, because the mean of its divisors is an integer number (6903138816).

Almost surely, 2^220871802144 is an apocalyptic number.

220871802144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220871802144 is an abundant number, since it is smaller than the sum of its proper divisors (441829524192).

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

220871802144 is a wasteful number, since it uses less digits than its factorization.

220871802144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42638 (or 42630 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The spelling of 220871802144 in words is "two hundred twenty billion, eight hundred seventy-one million, eight hundred two thousand, one hundred forty-four".