420732260 has 36 divisors (see below), whose sum is σ = 956737908. Its totient is φ = 155346048.

The previous prime is 420732259. The next prime is 420732313. The reversal of 420732260 is 62237024.

420732260 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 29008996 + 391723264 = 5386^2 + 19792^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58859 + ... + 65618.

It is an arithmetic number, because the mean of its divisors is an integer number (26576053).

Almost surely, 2^420732260 is an apocalyptic number.

It is an amenable number.

420732260 is an abundant number, since it is smaller than the sum of its proper divisors (536005648).

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

420732260 is a wasteful number, since it uses less digits than its factorization.

420732260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124512 (or 124497 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 420732260 is about 20511.7590664477. The cubic root of 420732260 is about 749.3222083900.

Adding to 420732260 its reverse (62237024), we get a palindrome (482969284).

The spelling of 420732260 in words is "four hundred twenty million, seven hundred thirty-two thousand, two hundred sixty".