420562602 has 12 divisors (see below), whose sum is σ = 911219010. Its totient is φ = 140187528.

The previous prime is 420562559. The next prime is 420562603. The reversal of 420562602 is 206265024.

420562602 is a `hidden beast` number, since 4 + 2 + 0 + 56 + 2 + 602 = 666.

It can be written as a sum of positive squares in only one way, i.e., 409212441 + 11350161 = 20229^2 + 3369^2 .

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 5 ways as a sum of consecutive naturals, for example, 11682277 + ... + 11682312.

Almost surely, 2^420562602 is an apocalyptic number.

420562602 is an abundant number, since it is smaller than the sum of its proper divisors (490656408).

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

420562602 is a wasteful number, since it uses less digits than its factorization.

420562602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23364597 (or 23364594 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 420562602 is about 20507.6230216961. The cubic root of 420562602 is about 749.2214748110.

The spelling of 420562602 in words is "four hundred twenty million, five hundred sixty-two thousand, six hundred two".