20222000000 has 112 divisors (see below), whose sum is σ = 50361855360. Its totient is φ = 8088000000.

The previous prime is 20221999939. The next prime is 20222000009. The reversal of 20222000000 is 22202.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222000009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1994945 + ... + 2005055.

Almost surely, 2^20222000000 is an apocalyptic number.

20222000000 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 20222000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25180927680).

20222000000 is an abundant number, since it is smaller than the sum of its proper divisors (30139855360).

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

20222000000 is an frugal number, since it uses more digits than its factorization.

20222000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10155 (or 10118 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20222000000 its reverse (22202), we get a palindrome (20222022202).

The spelling of 20222000000 in words is "twenty billion, two hundred twenty-two million", and thus it is an aban number.