20431011110 has 16 divisors (see below), whose sum is σ = 36876033216. Its totient is φ = 8150134848.

The previous prime is 20431011109. The next prime is 20431011131. The reversal of 20431011110 is 1111013402.

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, 2779847 + ... + 2787186.

It is an arithmetic number, because the mean of its divisors is an integer number (2304752076).

Almost surely, 2^20431011110 is an apocalyptic number.

20431011110 is a deficient number, since it is larger than the sum of its proper divisors (16445022106).

20431011110 is a wasteful number, since it uses less digits than its factorization.

20431011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567407.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20431011110 its reverse (1111013402), we get a palindrome (21542024512).

The spelling of 20431011110 in words is "twenty billion, four hundred thirty-one million, eleven thousand, one hundred ten".