420562604 has 36 divisors (see below), whose sum is σ = 924550032. Its totient is φ = 163854240.

The previous prime is 420562603. The next prime is 420562619. The reversal of 420562604 is 406265024.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (420562603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58679 + ... + 65454.

Almost surely, 2^420562604 is an apocalyptic number.

420562604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420562604 is an abundant number, since it is smaller than the sum of its proper divisors (503987428).

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

420562604 is a wasteful number, since it uses less digits than its factorization.

420562604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124166 (or 124153 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 420562604 is about 20507.6230704585. The cubic root of 420562604 is about 749.2214759986.

The spelling of 420562604 in words is "four hundred twenty million, five hundred sixty-two thousand, six hundred four".