20122104442 has 16 divisors (see below), whose sum is σ = 32931012672. Its totient is φ = 9145318720.

The previous prime is 20122104437. The next prime is 20122104449. The reversal of 20122104442 is 24440122102.

It is a super-2 number, since 2×20122104442² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20122104449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150963 + ... + 251065.

It is an arithmetic number, because the mean of its divisors is an integer number (2058188292).

Almost surely, 2^20122104442 is an apocalyptic number.

20122104442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20122104442 is a deficient number, since it is larger than the sum of its proper divisors (12808908230).

20122104442 is a wasteful number, since it uses less digits than its factorization.

20122104442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109253.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20122104442 its reverse (24440122102), we get a palindrome (44562226544).

The spelling of 20122104442 in words is "twenty billion, one hundred twenty-two million, one hundred four thousand, four hundred forty-two".