20123313130 has 8 divisors (see below), whose sum is σ = 36221963652. Its totient is φ = 8049325248.

The previous prime is 20123313113. The next prime is 20123313131. The reversal of 20123313130 is 3131332102.

It can be written as a sum of positive squares in 2 ways, for example, as 20102419089 + 20894041 = 141783^2 + 4571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20123313098 and 20123313107.

It is not an unprimeable number, because it can be changed into a prime (20123313131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006165647 + ... + 1006165666.

Almost surely, 2^20123313130 is an apocalyptic number.

20123313130 is a deficient number, since it is larger than the sum of its proper divisors (16098650522).

20123313130 is a wasteful number, since it uses less digits than its factorization.

20123313130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012331320.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20123313130 its reverse (3131332102), we get a palindrome (23254645232).

The spelling of 20123313130 in words is "twenty billion, one hundred twenty-three million, three hundred thirteen thousand, one hundred thirty".