420650032 has 20 divisors (see below), whose sum is σ = 889101576. Its totient is φ = 191204480.

The previous prime is 420649997. The next prime is 420650033. The reversal of 420650032 is 230056024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 420649985 and 420650012.

It is not an unprimeable number, because it can be changed into a prime (420650033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194853 + ... + 1195204.

Almost surely, 2^420650032 is an apocalyptic number.

It is an amenable number.

420650032 is an abundant number, since it is smaller than the sum of its proper divisors (468451544).

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

420650032 is a wasteful number, since it uses less digits than its factorization.

420650032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390076 (or 2390070 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 420650032 is about 20509.7545572832. The cubic root of 420650032 is about 749.2733893136.

The spelling of 420650032 in words is "four hundred twenty million, six hundred fifty thousand, thirty-two".