20442242200 has 48 divisors (see below), whose sum is σ = 47538285480. Its totient is φ = 8175164160.

The previous prime is 20442242173. The next prime is 20442242209. The reversal of 20442242200 is 224224402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442242209) 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 11 ways as a sum of consecutive naturals, for example, 1382044 + ... + 1396756.

Almost surely, 2^20442242200 is an apocalyptic number.

20442242200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20442242200 is an abundant number, since it is smaller than the sum of its proper divisors (27096043280).

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

20442242200 is a wasteful number, since it uses less digits than its factorization.

20442242200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21676 (or 21667 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20442242200 its reverse (224224402), we get a palindrome (20666466602).

The spelling of 20442242200 in words is "twenty billion, four hundred forty-two million, two hundred forty-two thousand, two hundred".