420233590 has 32 divisors (see below), whose sum is σ = 871098624. Its totient is φ = 142977120.

The previous prime is 420233587. The next prime is 420233599. The reversal of 420233590 is 95332024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420233599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13744 + ... + 32083.

It is an arithmetic number, because the mean of its divisors is an integer number (27221832).

Almost surely, 2^420233590 is an apocalyptic number.

420233590 is an abundant number, since it is smaller than the sum of its proper divisors (450865034).

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

420233590 is a wasteful number, since it uses less digits than its factorization.

420233590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45972.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 420233590 is about 20499.5997521903. The cubic root of 420233590 is about 749.0260483644.

The spelling of 420233590 in words is "four hundred twenty million, two hundred thirty-three thousand, five hundred ninety".