20110031422 has 32 divisors (see below), whose sum is σ = 32977889280. Its totient is φ = 9141811200.

The previous prime is 20110031387. The next prime is 20110031437. The reversal of 20110031422 is 22413001102.

It is a junction number, because it is equal to n+sod(n) for n = 20110031396 and 20110031405.

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, 486979 + ... + 526657.

It is an arithmetic number, because the mean of its divisors is an integer number (1030559040).

Almost surely, 2^20110031422 is an apocalyptic number.

20110031422 is a deficient number, since it is larger than the sum of its proper divisors (12867857858).

20110031422 is a wasteful number, since it uses less digits than its factorization.

20110031422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39988.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20110031422 its reverse (22413001102), we get a palindrome (42523032524).

The spelling of 20110031422 in words is "twenty billion, one hundred ten million, thirty-one thousand, four hundred twenty-two".