20110132405 has 16 divisors (see below), whose sum is σ = 27874580544. Its totient is φ = 13765223680.

The previous prime is 20110132283. The next prime is 20110132417. The reversal of 20110132405 is 50423101102.

It is not a de Polignac number, because 20110132405 - 2⁷ = 20110132277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10753147 + ... + 10755016.

It is an arithmetic number, because the mean of its divisors is an integer number (1742161284).

Almost surely, 2^20110132405 is an apocalyptic number.

It is an amenable number.

20110132405 is a deficient number, since it is larger than the sum of its proper divisors (7764448139).

20110132405 is a wasteful number, since it uses less digits than its factorization.

20110132405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21508196.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20110132405 its reverse (50423101102), we get a palindrome (70533233507).

The spelling of 20110132405 in words is "twenty billion, one hundred ten million, one hundred thirty-two thousand, four hundred five".