20442221110 has 16 divisors (see below), whose sum is σ = 37030370256. Its totient is φ = 8124805728.

The previous prime is 20442221077. The next prime is 20442221123. The reversal of 20442221110 is 1112224402.

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, 6508692 + ... + 6511831.

It is an arithmetic number, because the mean of its divisors is an integer number (2314398141).

Almost surely, 2^20442221110 is an apocalyptic number.

20442221110 is a deficient number, since it is larger than the sum of its proper divisors (16588149146).

20442221110 is a wasteful number, since it uses less digits than its factorization.

20442221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13020687.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20442221110 its reverse (1112224402), we get a palindrome (21554445512).

The spelling of 20442221110 in words is "twenty billion, four hundred forty-two million, two hundred twenty-one thousand, one hundred ten".