20020311110 has 32 divisors (see below), whose sum is σ = 36161899200. Its totient is φ = 7980324352.

The previous prime is 20020311079. The next prime is 20020311119. The reversal of 20020311110 is 1111302002.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20020311091 and 20020311100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020311119) 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, 3693122 + ... + 3698538.

It is an arithmetic number, because the mean of its divisors is an integer number (1130059350).

Almost surely, 2^20020311110 is an apocalyptic number.

20020311110 is a deficient number, since it is larger than the sum of its proper divisors (16141588090).

20020311110 is a wasteful number, since it uses less digits than its factorization.

20020311110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6640.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20020311110 its reverse (1111302002), we get a palindrome (21131613112).

The spelling of 20020311110 in words is "twenty billion, twenty million, three hundred eleven thousand, one hundred ten".