420492100 has 36 divisors (see below), whose sum is σ = 1042822144. Its totient is φ = 144168480.

The previous prime is 420492073. The next prime is 420492101. The reversal of 420492100 is 1294024.

It is not an unprimeable number, because it can be changed into a prime (420492101) 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, 299652 + ... + 301051.

Almost surely, 2^420492100 is an apocalyptic number.

It is an amenable number.

420492100 is an abundant number, since it is smaller than the sum of its proper divisors (622330044).

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

420492100 is a wasteful number, since it uses less digits than its factorization.

420492100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600724 (or 600717 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 420492100 is about 20505.9040278648. The cubic root of 420492100 is about 749.1796066372.

The spelling of 420492100 in words is "four hundred twenty million, four hundred ninety-two thousand, one hundred".