20622662200 has 96 divisors (see below), whose sum is σ = 55134149760. Its totient is φ = 7027171200.

The previous prime is 20622662183. The next prime is 20622662231. The reversal of 20622662200 is 226622602.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 183015 + ... + 273385.

It is an arithmetic number, because the mean of its divisors is an integer number (574314060).

Almost surely, 2^20622662200 is an apocalyptic number.

20622662200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20622662200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27567074880).

20622662200 is an abundant number, since it is smaller than the sum of its proper divisors (34511487560).

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

20622662200 is a wasteful number, since it uses less digits than its factorization.

20622662200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90557 (or 90548 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 20622662200 in words is "twenty billion, six hundred twenty-two million, six hundred sixty-two thousand, two hundred".