180420842922 has 32 divisors (see below), whose sum is σ = 379870149120. Its totient is φ = 56969483760.

The previous prime is 180420842893. The next prime is 180420842939. The reversal of 180420842922 is 229248024081.

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, 1197843 + ... + 1340025.

It is an arithmetic number, because the mean of its divisors is an integer number (11870942160).

Almost surely, 2^180420842922 is an apocalyptic number.

180420842922 is an abundant number, since it is smaller than the sum of its proper divisors (199449306198).

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

180420842922 is a wasteful number, since it uses less digits than its factorization.

180420842922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153338.

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 180420842922 in words is "one hundred eighty billion, four hundred twenty million, eight hundred forty-two thousand, nine hundred twenty-two".