20222666700 has 144 divisors (see below), whose sum is σ = 59286205440. Its totient is φ = 5321594880.

The previous prime is 20222666687. The next prime is 20222666707. The reversal of 20222666700 is 766622202.

It is not an unprimeable number, because it can be changed into a prime (20222666707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12774109 + ... + 12775691.

It is an arithmetic number, because the mean of its divisors is an integer number (411709760).

Almost surely, 2^20222666700 is an apocalyptic number.

20222666700 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 20222666700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29643102720).

20222666700 is an abundant number, since it is smaller than the sum of its proper divisors (39063538740).

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

20222666700 is a wasteful number, since it uses less digits than its factorization.

20222666700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 20222666700 in words is "twenty billion, two hundred twenty-two million, six hundred sixty-six thousand, seven hundred".