20220331200 has 252 divisors, whose sum is σ = 68719705080. Its totient is φ = 5205114880.

The previous prime is 20220331181. The next prime is 20220331217. The reversal of 20220331200 is 213302202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20220331200.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4034296 + ... + 4039304.

Almost surely, 2^20220331200 is an apocalyptic number.

20220331200 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 20220331200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34359852540).

20220331200 is an abundant number, since it is smaller than the sum of its proper divisors (48499373880).

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

20220331200 is a wasteful number, since it uses less digits than its factorization.

20220331200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092 (or 5048 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20220331200 its reverse (213302202), we get a palindrome (20433633402).

The spelling of 20220331200 in words is "twenty billion, two hundred twenty million, three hundred thirty-one thousand, two hundred".