420151232 has 28 divisors (see below), whose sum is σ = 842345280. Its totient is φ = 207906816.

The previous prime is 420151223. The next prime is 420151241. The reversal of 420151232 is 232151024.

It is an interprime number because it is at equal distance from previous prime (420151223) and next prime (420151241).

It is a super-2 number, since 2×420151232² = 353054115502235648, which contains 22 as substring.

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, 27632 + ... + 40047.

It is an arithmetic number, because the mean of its divisors is an integer number (30083760).

Almost surely, 2^420151232 is an apocalyptic number.

It is an amenable number.

420151232 is an abundant number, since it is smaller than the sum of its proper divisors (422194048).

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

420151232 is an equidigital number, since it uses as much as digits as its factorization.

420151232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67788 (or 67778 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 420151232 is about 20497.5908828330. The cubic root of 420151232 is about 748.9771134235.

The spelling of 420151232 in words is "four hundred twenty million, one hundred fifty-one thousand, two hundred thirty-two".