20252422444 has 12 divisors (see below), whose sum is σ = 35593851384. Its totient is φ = 10082750624.

The previous prime is 20252422427. The next prime is 20252422451. The reversal of 20252422444 is 44422425202.

It is a happy number.

It is a super-2 number, since 2×20252422444² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10864102 + ... + 10865965.

It is an arithmetic number, because the mean of its divisors is an integer number (2966154282).

Almost surely, 2^20252422444 is an apocalyptic number.

It is an amenable number.

20252422444 is a deficient number, since it is larger than the sum of its proper divisors (15341428940).

20252422444 is a wasteful number, since it uses less digits than its factorization.

20252422444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21730304 (or 21730302 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 20252422444 its reverse (44422425202), we get a palindrome (64674847646).

The spelling of 20252422444 in words is "twenty billion, two hundred fifty-two million, four hundred twenty-two thousand, four hundred forty-four".