20123113310 has 32 divisors (see below), whose sum is σ = 37834205760. Its totient is φ = 7691588608.

The previous prime is 20123113291. The next prime is 20123113319. The reversal of 20123113310 is 1331132102.

It is a super-2 number, since 2×20123113310² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123113319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189806 + ... + 276174.

It is an arithmetic number, because the mean of its divisors is an integer number (1182318930).

Almost surely, 2^20123113310 is an apocalyptic number.

20123113310 is a deficient number, since it is larger than the sum of its proper divisors (17711092450).

20123113310 is a wasteful number, since it uses less digits than its factorization.

20123113310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87412.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20123113310 its reverse (1331132102), we get a palindrome (21454245412).

The spelling of 20123113310 in words is "twenty billion, one hundred twenty-three million, one hundred thirteen thousand, three hundred ten".