20004022552 has 8 divisors (see below), whose sum is σ = 37507542300. Its totient is φ = 10002011272.

The previous prime is 20004022541. The next prime is 20004022573. The reversal of 20004022552 is 25522040002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250251402 + ... + 1250251417.

Almost surely, 2^20004022552 is an apocalyptic number.

It is an amenable number.

20004022552 is a deficient number, since it is larger than the sum of its proper divisors (17503519748).

20004022552 is a wasteful number, since it uses less digits than its factorization.

20004022552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500502825 (or 2500502821 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

Adding to 20004022552 its reverse (25522040002), we get a palindrome (45526062554).

The spelling of 20004022552 in words is "twenty billion, four million, twenty-two thousand, five hundred fifty-two".