632021130 has 240 divisors, whose sum is σ = 1945041120. Its totient is φ = 147386304.

The previous prime is 632021123. The next prime is 632021167. The reversal of 632021130 is 31120236.

632021130 is a `hidden beast` number, since 632 + 0 + 2 + 1 + 1 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 33264261 + ... + 33264279.

It is an arithmetic number, because the mean of its divisors is an integer number (8104338).

Almost surely, 2^632021130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 632021130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972520560).

632021130 is an abundant number, since it is smaller than the sum of its proper divisors (1313019990).

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

632021130 is an equidigital number, since it uses as much as digits as its factorization.

632021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 632021130 is about 25140.0304295759. The cubic root of 632021130 is about 858.1776491656.

Adding to 632021130 its reverse (31120236), we get a palindrome (663141366).

The spelling of 632021130 in words is "six hundred thirty-two million, twenty-one thousand, one hundred thirty".