20332222000 has 80 divisors (see below), whose sum is σ = 49897422432. Its totient is φ = 8011449600.

The previous prime is 20332221991. The next prime is 20332222013. The reversal of 20332222000 is 22223302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

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 15 ways as a sum of consecutive naturals, for example, 58134 + ... + 209866.

Almost surely, 2^20332222000 is an apocalyptic number.

20332222000 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 20332222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24948711216).

20332222000 is an abundant number, since it is smaller than the sum of its proper divisors (29565200432).

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

20332222000 is a wasteful number, since it uses less digits than its factorization.

20332222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151823 (or 151807 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20332222000 its reverse (22223302), we get a palindrome (20354445302).

The spelling of 20332222000 in words is "twenty billion, three hundred thirty-two million, two hundred twenty-two thousand".