20222321000 has 128 divisors (see below), whose sum is σ = 54617621760. Its totient is φ = 6864480000.

The previous prime is 20222320973. The next prime is 20222321011. The reversal of 20222321000 is 12322202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692699 + ... + 721301.

It is an arithmetic number, because the mean of its divisors is an integer number (426700170).

Almost surely, 2^20222321000 is an apocalyptic number.

20222321000 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 20222321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27308810880).

20222321000 is an abundant number, since it is smaller than the sum of its proper divisors (34395300760).

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

20222321000 is a wasteful number, since it uses less digits than its factorization.

20222321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28732 (or 28718 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20222321000 its reverse (12322202), we get a palindrome (20234643202).

The spelling of 20222321000 in words is "twenty billion, two hundred twenty-two million, three hundred twenty-one thousand".