20424002022 has 12 divisors (see below), whose sum is σ = 44252004420. Its totient is φ = 6808000668.

The previous prime is 20424002021. The next prime is 20424002033. The reversal of 20424002022 is 22020042402.

20424002022 is a `hidden beast` number, since 20 + 42 + 400 + 202 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1134666779 = 20424002022 / (2 + 0 + 4 + 2 + 4 + 0 + 0 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20424001986 and 20424002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567333372 + ... + 567333407.

It is an arithmetic number, because the mean of its divisors is an integer number (3687667035).

Almost surely, 2^20424002022 is an apocalyptic number.

20424002022 is an abundant number, since it is smaller than the sum of its proper divisors (23828002398).

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

20424002022 is a wasteful number, since it uses less digits than its factorization.

20424002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134666787 (or 1134666784 counting only the distinct ones).

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

Adding to 20424002022 its reverse (22020042402), we get a palindrome (42444044424).

The spelling of 20424002022 in words is "twenty billion, four hundred twenty-four million, two thousand, twenty-two".