420600252 has 12 divisors (see below), whose sum is σ = 981400616. Its totient is φ = 140200080.

The previous prime is 420600233. The next prime is 420600277. The reversal of 420600252 is 252006024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17524999 + ... + 17525022.

Almost surely, 2^420600252 is an apocalyptic number.

It is an amenable number.

420600252 is an abundant number, since it is smaller than the sum of its proper divisors (560800364).

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

420600252 is a wasteful number, since it uses less digits than its factorization.

420600252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35050028 (or 35050026 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 420600252 is about 20508.5409524910. The cubic root of 420600252 is about 749.2438316466.

Adding to 420600252 its reverse (252006024), we get a palindrome (672606276).

The spelling of 420600252 in words is "four hundred twenty million, six hundred thousand, two hundred fifty-two".