20123004013130 has 32 divisors (see below), whose sum is σ = 37266886293840. Its totient is φ = 7818587527680.

The previous prime is 20123004013127. The next prime is 20123004013183. The reversal of 20123004013130 is 3131040032102.

It can be written as a sum of positive squares in 8 ways, for example, as 11383666812961 + 8739337200169 = 3373969^2 + 2956237^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107068769 + ... + 107256548.

Almost surely, 2^{20123004013130} is an apocalyptic number.

20123004013130 is a deficient number, since it is larger than the sum of its proper divisors (17143882280710).

20123004013130 is a wasteful number, since it uses less digits than its factorization.

20123004013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214325594.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20123004013130 its reverse (3131040032102), we get a palindrome (23254044045232).

The spelling of 20123004013130 in words is "twenty trillion, one hundred twenty-three billion, four million, thirteen thousand, one hundred thirty".