420032814 has 16 divisors (see below), whose sum is σ = 842286720. Its totient is φ = 139640760.

The previous prime is 420032807. The next prime is 420032861. The reversal of 420032814 is 418230024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90082 + ... + 94629.

It is an arithmetic number, because the mean of its divisors is an integer number (52642920).

Almost surely, 2^420032814 is an apocalyptic number.

420032814 is an abundant number, since it is smaller than the sum of its proper divisors (422253906).

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

420032814 is a wasteful number, since it uses less digits than its factorization.

420032814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185095.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 420032814 is about 20494.7020959076. The cubic root of 420032814 is about 748.9067413773.

Adding to 420032814 its reverse (418230024), we get a palindrome (838262838).

The spelling of 420032814 in words is "four hundred twenty million, thirty-two thousand, eight hundred fourteen".