420052443020 has 24 divisors (see below), whose sum is σ = 1008125863584. Its totient is φ = 144017980416.

The previous prime is 420052443011. The next prime is 420052443043. The reversal of 420052443020 is 20344250024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500187157 + ... + 1500187436.

It is an arithmetic number, because the mean of its divisors is an integer number (42005244316).

Almost surely, 2^420052443020 is an apocalyptic number.

It is an amenable number.

420052443020 is an abundant number, since it is smaller than the sum of its proper divisors (588073420564).

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

420052443020 is a wasteful number, since it uses less digits than its factorization.

420052443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000374609 (or 3000374607 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 420052443020 its reverse (20344250024), we get a palindrome (440396693044).

The spelling of 420052443020 in words is "four hundred twenty billion, fifty-two million, four hundred forty-three thousand, twenty".