20130002230 has 16 divisors (see below), whose sum is σ = 39021235344. Its totient is φ = 7432616160.

The previous prime is 20130002213. The next prime is 20130002237. The reversal of 20130002230 is 3220003102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 20130002230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130002237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77422956 + ... + 77423215.

It is an arithmetic number, because the mean of its divisors is an integer number (2438827209).

Almost surely, 2^20130002230 is an apocalyptic number.

20130002230 is a deficient number, since it is larger than the sum of its proper divisors (18891233114).

20130002230 is a wasteful number, since it uses less digits than its factorization.

20130002230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154846191.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20130002230 its reverse (3220003102), we get a palindrome (23350005332).

The spelling of 20130002230 in words is "twenty billion, one hundred thirty million, two thousand, two hundred thirty".