20444422200 has 48 divisors (see below), whose sum is σ = 63377710680. Its totient is φ = 5451845760.

The previous prime is 20444422181. The next prime is 20444422211. The reversal of 20444422200 is 222444402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17036419 + ... + 17037618.

Almost surely, 2^20444422200 is an apocalyptic number.

20444422200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20444422200 is an abundant number, since it is smaller than the sum of its proper divisors (42933288480).

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

20444422200 is a wasteful number, since it uses less digits than its factorization.

20444422200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34074056 (or 34074047 counting only the distinct ones).

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

Adding to 20444422200 its reverse (222444402), we get a palindrome (20666866602).

It can be divided in two parts, 2044 and 4422200, that added together give a palindrome (4424244).

The spelling of 20444422200 in words is "twenty billion, four hundred forty-four million, four hundred twenty-two thousand, two hundred".