20204222424 has 32 divisors (see below), whose sum is σ = 53481766320. Its totient is φ = 6338579456.

The previous prime is 20204222417. The next prime is 20204222443. The reversal of 20204222424 is 42422240202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20204222394 and 20204222403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24759669 + ... + 24760484.

Almost surely, 2^20204222424 is an apocalyptic number.

20204222424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20204222424 is an abundant number, since it is smaller than the sum of its proper divisors (33277543896).

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

20204222424 is a wasteful number, since it uses less digits than its factorization.

20204222424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49520179 (or 49520175 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20204222424 its reverse (42422240202), we get a palindrome (62626462626).

The spelling of 20204222424 in words is "twenty billion, two hundred four million, two hundred twenty-two thousand, four hundred twenty-four".