20440311110 has 16 divisors (see below), whose sum is σ = 37130108400. Its totient is φ = 8101113696.

The previous prime is 20440311107. The next prime is 20440311127. The reversal of 20440311110 is 1111304402.

It is a happy number.

It is a Curzon number.

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, 9375200 + ... + 9377379.

It is an arithmetic number, because the mean of its divisors is an integer number (2320631775).

Almost surely, 2^20440311110 is an apocalyptic number.

20440311110 is a deficient number, since it is larger than the sum of its proper divisors (16689797290).

20440311110 is a wasteful number, since it uses less digits than its factorization.

20440311110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18752695.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20440311110 its reverse (1111304402), we get a palindrome (21551615512).

The spelling of 20440311110 in words is "twenty billion, four hundred forty million, three hundred eleven thousand, one hundred ten".