20022204202424 has 32 divisors (see below), whose sum is σ = 37791662476800. Its totient is φ = 9944432488800.

The previous prime is 20022204202423. The next prime is 20022204202433. The reversal of 20022204202424 is 42420240222002.

It is a super-2 number, since 2×20022204202424² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20022204202393 and 20022204202402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022204202423) 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, 33634037 + ... + 34224155.

It is an arithmetic number, because the mean of its divisors is an integer number (1180989452400).

Almost surely, 2^{20022204202424} is an apocalyptic number.

It is an amenable number.

20022204202424 is a deficient number, since it is larger than the sum of its proper divisors (17769458274376).

20022204202424 is a wasteful number, since it uses less digits than its factorization.

20022204202424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618363 (or 618359 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20022204202424 its reverse (42420240222002), we get a palindrome (62442444424426).

The spelling of 20022204202424 in words is "twenty trillion, twenty-two billion, two hundred four million, two hundred two thousand, four hundred twenty-four".