420504232 has 32 divisors (see below), whose sum is σ = 804223080. Its totient is φ = 206069760.

The previous prime is 420504229. The next prime is 420504307. The reversal of 420504232 is 232405024.

It can be written as a sum of positive squares in 4 ways, for example, as 208918116 + 211586116 = 14454^2 + 14546^2 .

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, 151368 + ... + 154120.

Almost surely, 2^420504232 is an apocalyptic number.

It is an amenable number.

420504232 is a deficient number, since it is larger than the sum of its proper divisors (383718848).

420504232 is a wasteful number, since it uses less digits than its factorization.

420504232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133 (or 3129 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 420504232 is about 20506.1998429743. The cubic root of 420504232 is about 749.1868116553.

Adding to 420504232 its reverse (232405024), we get a palindrome (652909256).

It can be divided in two parts, 42050 and 4232, that multiplied together give a square (177955600 = 13340²).

The spelling of 420504232 in words is "four hundred twenty million, five hundred four thousand, two hundred thirty-two".