20430100232 has 32 divisors (see below), whose sum is σ = 38881215000. Its totient is φ = 10062632448.

The previous prime is 20430100219. The next prime is 20430100247. The reversal of 20430100232 is 23200103402.

It can be written as a sum of positive squares in 4 ways, for example, as 4731513796 + 15698586436 = 68786^2 + 125294^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20430100232.

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, 138194 + ... + 244862.

Almost surely, 2^20430100232 is an apocalyptic number.

It is an amenable number.

20430100232 is a deficient number, since it is larger than the sum of its proper divisors (18451114768).

20430100232 is a wasteful number, since it uses less digits than its factorization.

20430100232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107033 (or 107029 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20430100232 its reverse (23200103402), we get a palindrome (43630203634).

The spelling of 20430100232 in words is "twenty billion, four hundred thirty million, one hundred thousand, two hundred thirty-two".