20310123110 has 16 divisors (see below), whose sum is σ = 37248000336. Its totient is φ = 7970765088.

The previous prime is 20310123109. The next prime is 20310123133. The reversal of 20310123110 is 1132101302.

It is a super-2 number, since 2×20310123110² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19159964 + ... + 19161023.

It is an arithmetic number, because the mean of its divisors is an integer number (2328000021).

Almost surely, 2^20310123110 is an apocalyptic number.

20310123110 is a deficient number, since it is larger than the sum of its proper divisors (16937877226).

20310123110 is a wasteful number, since it uses less digits than its factorization.

20310123110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38321047.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20310123110 its reverse (1132101302), we get a palindrome (21442224412).

The spelling of 20310123110 in words is "twenty billion, three hundred ten million, one hundred twenty-three thousand, one hundred ten".