420605132 has 12 divisors (see below), whose sum is σ = 736223040. Its totient is φ = 210255696.

The previous prime is 420605113. The next prime is 420605137. The reversal of 420605132 is 231506024.

It is a junction number, because it is equal to n+sod(n) for n = 420605098 and 420605107.

It is not an unprimeable number, because it can be changed into a prime (420605137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15494 + ... + 32882.

It is an arithmetic number, because the mean of its divisors is an integer number (61351920).

Almost surely, 2^420605132 is an apocalyptic number.

It is an amenable number.

420605132 is a deficient number, since it is larger than the sum of its proper divisors (315617908).

420605132 is a wasteful number, since it uses less digits than its factorization.

420605132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23440 (or 23438 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 420605132 is about 20508.6599269674. The cubic root of 420605132 is about 749.2467293273.

The spelling of 420605132 in words is "four hundred twenty million, six hundred five thousand, one hundred thirty-two".