20442021122 has 8 divisors (see below), whose sum is σ = 30667035456. Its totient is φ = 10219675972.

The previous prime is 20442021097. The next prime is 20442021133. The reversal of 20442021122 is 22112024402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20442021094 and 20442021103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648038 + ... + 678849.

It is an arithmetic number, because the mean of its divisors is an integer number (3833379432).

Almost surely, 2^20442021122 is an apocalyptic number.

20442021122 is a deficient number, since it is larger than the sum of its proper divisors (10225014334).

20442021122 is a wasteful number, since it uses less digits than its factorization.

20442021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334592.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20442021122 its reverse (22112024402), we get a palindrome (42554045524).

The spelling of 20442021122 in words is "twenty billion, four hundred forty-two million, twenty-one thousand, one hundred twenty-two".