20100312130 has 16 divisors (see below), whose sum is σ = 36229270464. Its totient is φ = 8029300720.

The previous prime is 20100312109. The next prime is 20100312131. The reversal of 20100312130 is 3121300102.

It is a self number, because there is not a number n which added to its sum of digits gives 20100312130.

It is not an unprimeable number, because it can be changed into a prime (20100312131) 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, 1345216 + ... + 1360075.

It is an arithmetic number, because the mean of its divisors is an integer number (2264329404).

Almost surely, 2^20100312130 is an apocalyptic number.

20100312130 is a deficient number, since it is larger than the sum of its proper divisors (16128958334).

20100312130 is a wasteful number, since it uses less digits than its factorization.

20100312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706041.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20100312130 its reverse (3121300102), we get a palindrome (23221612232).

The spelling of 20100312130 in words is "twenty billion, one hundred million, three hundred twelve thousand, one hundred thirty".