20804442662200 has 48 divisors (see below), whose sum is σ = 48371809731480. Its totient is φ = 8321522348160.

The previous prime is 20804442662197. The next prime is 20804442662207. The reversal of 20804442662200 is 226624440802.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20804442662207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5027127 + ... + 8178073.

Almost surely, 2^{20804442662200} is an apocalyptic number.

20804442662200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20804442662200 is an abundant number, since it is smaller than the sum of its proper divisors (27567367069280).

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

20804442662200 is a wasteful number, since it uses less digits than its factorization.

20804442662200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183976 (or 3183967 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 20804442662200 in words is "twenty trillion, eight hundred four billion, four hundred forty-two million, six hundred sixty-two thousand, two hundred".