20023304022 has 24 divisors (see below), whose sum is σ = 43422708576. Its totient is φ = 6668452656.

The previous prime is 20023303981. The next prime is 20023304047. The reversal of 20023304022 is 22040332002.

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 = 20023303986 and 20023304004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477838 + ... + 518049.

It is an arithmetic number, because the mean of its divisors is an integer number (1809279524).

Almost surely, 2^20023304022 is an apocalyptic number.

20023304022 is an abundant number, since it is smaller than the sum of its proper divisors (23399404554).

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

20023304022 is a wasteful number, since it uses less digits than its factorization.

20023304022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997012 (or 997009 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20023304022 its reverse (22040332002), we get a palindrome (42063636024).

The spelling of 20023304022 in words is "twenty billion, twenty-three million, three hundred four thousand, twenty-two".