20040044022 has 24 divisors (see below), whose sum is σ = 43548951576. Its totient is φ = 6660190656.

The previous prime is 20040043999. The next prime is 20040044027. The reversal of 20040044022 is 22044004002.

20040044022 is a `hidden beast` number, since 200 + 4 + 0 + 0 + 440 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20040043986 and 20040044004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040044027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1645768 + ... + 1657899.

It is an arithmetic number, because the mean of its divisors is an integer number (1814539649).

Almost surely, 2^20040044022 is an apocalyptic number.

20040044022 is an abundant number, since it is smaller than the sum of its proper divisors (23508907554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20040044022 is a wasteful number, since it uses less digits than its factorization.

20040044022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304012 (or 3304009 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20040044022 its reverse (22044004002), we get a palindrome (42084048024).

The spelling of 20040044022 in words is "twenty billion, forty million, forty-four thousand, twenty-two".