420137260 has 12 divisors (see below), whose sum is σ = 882288288. Its totient is φ = 168054896.

The previous prime is 420137233. The next prime is 420137279. The reversal of 420137260 is 62731024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10503412 + ... + 10503451.

It is an arithmetic number, because the mean of its divisors is an integer number (73524024).

Almost surely, 2^420137260 is an apocalyptic number.

It is an amenable number.

420137260 is an abundant number, since it is smaller than the sum of its proper divisors (462151028).

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

420137260 is a wasteful number, since it uses less digits than its factorization.

420137260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21006872 (or 21006870 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 420137260 is about 20497.2500594592. The cubic root of 420137260 is about 748.9688109969.

Adding to 420137260 its reverse (62731024), we get a palindrome (482868284).

The spelling of 420137260 in words is "four hundred twenty million, one hundred thirty-seven thousand, two hundred sixty".