420164200 has 24 divisors (see below), whose sum is σ = 976882230. Its totient is φ = 168065600.

The previous prime is 420164189. The next prime is 420164203. The reversal of 420164200 is 2461024.

It can be written as a sum of positive squares in 3 ways, for example, as 367949124 + 52215076 = 19182^2 + 7226^2 .

It is not an unprimeable number, because it can be changed into a prime (420164203) 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, 1050211 + ... + 1050610.

Almost surely, 2^420164200 is an apocalyptic number.

420164200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420164200 is an abundant number, since it is smaller than the sum of its proper divisors (556718030).

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

420164200 is a wasteful number, since it uses less digits than its factorization.

420164200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100837 (or 2100828 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 420164200 is about 20497.9072102495. The cubic root of 420164200 is about 748.9848190895.

The spelling of 420164200 in words is "four hundred twenty million, one hundred sixty-four thousand, two hundred".