20311013110 has 32 divisors (see below), whose sum is σ = 38568399840. Its totient is φ = 7679930112.

The previous prime is 20311013077. The next prime is 20311013117. The reversal of 20311013110 is 1131011302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311013117) 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, 30129 + ... + 203788.

It is an arithmetic number, because the mean of its divisors is an integer number (1205262495).

Almost surely, 2^20311013110 is an apocalyptic number.

20311013110 is a deficient number, since it is larger than the sum of its proper divisors (18257386730).

20311013110 is a wasteful number, since it uses less digits than its factorization.

20311013110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234400.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 20311013110 its reverse (1131011302), we get a palindrome (21442024412).

The spelling of 20311013110 in words is "twenty billion, three hundred eleven million, thirteen thousand, one hundred ten".