220161446000 has 80 divisors (see below), whose sum is σ = 550707431040. Its totient is φ = 85027846400.

The previous prime is 220161445993. The next prime is 220161446017. The reversal of 220161446000 is 644161022.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1839944 + ... + 1955943.

It is an arithmetic number, because the mean of its divisors is an integer number (6883842888).

Almost surely, 2^220161446000 is an apocalyptic number.

220161446000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220161446000 is an abundant number, since it is smaller than the sum of its proper divisors (330545985040).

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

220161446000 is a wasteful number, since it uses less digits than its factorization.

220161446000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795939 (or 3795923 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 220161446000 in words is "two hundred twenty billion, one hundred sixty-one million, four hundred forty-six thousand".