420113424 has 40 divisors (see below), whose sum is σ = 1087173472. Its totient is φ = 139795200.

The previous prime is 420113411. The next prime is 420113431. The reversal of 420113424 is 424311024.

It is a self number, because there is not a number n which added to its sum of digits gives 420113424.

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, 21567 + ... + 36129.

Almost surely, 2^420113424 is an apocalyptic number.

It is an amenable number.

420113424 is an abundant number, since it is smaller than the sum of its proper divisors (667060048).

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

420113424 is a wasteful number, since it uses less digits than its factorization.

420113424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15175 (or 15169 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 420113424 is about 20496.6686073615. The cubic root of 420113424 is about 748.9546467702.

Adding to 420113424 its reverse (424311024), we get a palindrome (844424448).

The spelling of 420113424 in words is "four hundred twenty million, one hundred thirteen thousand, four hundred twenty-four".