420431154322220 has 48 divisors (see below), whose sum is σ = 883319878388640. Its totient is φ = 168093522971136.

The previous prime is 420431154322211. The next prime is 420431154322241. The reversal of 420431154322220 is 22223451134024.

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, 1548510599 + ... + 1548782081.

It is an arithmetic number, because the mean of its divisors is an integer number (18402497466430).

Almost surely, 2^{420431154322220} is an apocalyptic number.

It is an amenable number.

420431154322220 is an abundant number, since it is smaller than the sum of its proper divisors (462888724066420).

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

420431154322220 is a wasteful number, since it uses less digits than its factorization.

420431154322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307554 (or 307552 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 420431154322220 in words is "four hundred twenty trillion, four hundred thirty-one billion, one hundred fifty-four million, three hundred twenty-two thousand, two hundred twenty".