420241232 has 10 divisors (see below), whose sum is σ = 814217418. Its totient is φ = 210120608.

The previous prime is 420241231. The next prime is 420241253. The reversal of 420241232 is 232142024.

It can be written as a sum of positive squares in only one way, i.e., 260370496 + 159870736 = 16136^2 + 12644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420241231) by changing a digit.

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 as a sum of consecutive naturals, namely, 13132523 + ... + 13132554.

Almost surely, 2^420241232 is an apocalyptic number.

It is an amenable number.

420241232 is a deficient number, since it is larger than the sum of its proper divisors (393976186).

420241232 is a wasteful number, since it uses less digits than its factorization.

420241232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26265085 (or 26265079 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 420241232 is about 20499.7861452260. The cubic root of 420241232 is about 749.0305887141.

Adding to 420241232 its reverse (232142024), we get a palindrome (652383256).

The spelling of 420241232 in words is "four hundred twenty million, two hundred forty-one thousand, two hundred thirty-two".