420003232 has 48 divisors (see below), whose sum is σ = 905978304. Its totient is φ = 190080000.

The previous prime is 420003223. The next prime is 420003251. The reversal of 420003232 is 232300024.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 82357 + ... + 87307.

It is an arithmetic number, because the mean of its divisors is an integer number (18874548).

Almost surely, 2^420003232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420003232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452989152).

420003232 is an abundant number, since it is smaller than the sum of its proper divisors (485975072).

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

420003232 is a wasteful number, since it uses less digits than its factorization.

420003232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213 (or 5205 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 420003232 is about 20493.9803844934. The cubic root of 420003232 is about 748.8891596721.

Adding to 420003232 its reverse (232300024), we get a palindrome (652303256).

The spelling of 420003232 in words is "four hundred twenty million, three thousand, two hundred thirty-two".