420532120 has 32 divisors (see below), whose sum is σ = 956836800. Its totient is φ = 166321408.

The previous prime is 420532097. The next prime is 420532141. The reversal of 420532120 is 21235024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55504 + ... + 62623.

It is an arithmetic number, because the mean of its divisors is an integer number (29901150).

Almost surely, 2^420532120 is an apocalyptic number.

420532120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420532120 is an abundant number, since it is smaller than the sum of its proper divisors (536304680).

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

420532120 is a wasteful number, since it uses less digits than its factorization.

420532120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118227 (or 118223 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 420532120 is about 20506.8798211722. The cubic root of 420532120 is about 749.2033734069.

Adding to 420532120 its reverse (21235024), we get a palindrome (441767144).

The spelling of 420532120 in words is "four hundred twenty million, five hundred thirty-two thousand, one hundred twenty".