420831130 has 48 divisors (see below), whose sum is σ = 787757400. Its totient is φ = 161800704.

The previous prime is 420831119. The next prime is 420831157. The reversal of 420831130 is 31138024.

It can be written as a sum of positive squares in 12 ways, for example, as 33489369 + 387341761 = 5787^2 + 19681^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2824296 + ... + 2824444.

Almost surely, 2^420831130 is an apocalyptic number.

420831130 is a deficient number, since it is larger than the sum of its proper divisors (366926270).

420831130 is a wasteful number, since it uses less digits than its factorization.

420831130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 420831130 is about 20514.1690058359. The cubic root of 420831130 is about 749.3808994637.

Adding to 420831130 its reverse (31138024), we get a palindrome (451969154).

The spelling of 420831130 in words is "four hundred twenty million, eight hundred thirty-one thousand, one hundred thirty".