20220031200 has 144 divisors (see below), whose sum is σ = 69687883440. Its totient is φ = 5074821120.

The previous prime is 20220031171. The next prime is 20220031207. The reversal of 20220031200 is 213002202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220031207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206995 + ... + 288594.

It is an arithmetic number, because the mean of its divisors is an integer number (483943635).

Almost surely, 2^20220031200 is an apocalyptic number.

20220031200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220031200 is an abundant number, since it is smaller than the sum of its proper divisors (49467852240).

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

20220031200 is a wasteful number, since it uses less digits than its factorization.

20220031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495629 (or 495616 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20220031200 its reverse (213002202), we get a palindrome (20433033402).

The spelling of 20220031200 in words is "twenty billion, two hundred twenty million, thirty-one thousand, two hundred".