420031104320 has 56 divisors (see below), whose sum is σ = 1015127463264. Its totient is φ = 165504784896.

The previous prime is 420031104293. The next prime is 420031104341. The reversal of 420031104320 is 23401130024.

It is a super-2 number, since 2×420031104320² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 420031104292 and 420031104301.

It is a congruent number.

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, 9774062 + ... + 9816941.

Almost surely, 2^420031104320 is an apocalyptic number.

420031104320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420031104320 is an abundant number, since it is smaller than the sum of its proper divisors (595096358944).

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

420031104320 is a wasteful number, since it uses less digits than its factorization.

420031104320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19591087 (or 19591077 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 420031104320 its reverse (23401130024), we get a palindrome (443432234344).

The spelling of 420031104320 in words is "four hundred twenty billion, thirty-one million, one hundred four thousand, three hundred twenty".