20130102232 has 8 divisors (see below), whose sum is σ = 37743941700. Its totient is φ = 10065051112.

The previous prime is 20130102227. The next prime is 20130102241. The reversal of 20130102232 is 23220103102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258131382 + ... + 1258131397.

Almost surely, 2^20130102232 is an apocalyptic number.

It is an amenable number.

20130102232 is a deficient number, since it is larger than the sum of its proper divisors (17613839468).

20130102232 is a wasteful number, since it uses less digits than its factorization.

20130102232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516262785 (or 2516262781 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20130102232 its reverse (23220103102), we get a palindrome (43350205334).

The spelling of 20130102232 in words is "twenty billion, one hundred thirty million, one hundred two thousand, two hundred thirty-two".