20221232211200 has 54 divisors (see below), whose sum is σ = 50050709306094. Its totient is φ = 8088492881920.

The previous prime is 20221232211161. The next prime is 20221232211211. The reversal of 20221232211200 is 211223212202.

It can be written as a sum of positive squares in 3 ways, for example, as 2951688930304 + 17269543280896 = 1718048^2 + 4155664^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1579777367 + ... + 1579790166.

Almost surely, 2^{20221232211200} is an apocalyptic number.

20221232211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221232211200 is an abundant number, since it is smaller than the sum of its proper divisors (29829477094894).

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

20221232211200 is an equidigital number, since it uses as much as digits as its factorization.

20221232211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159567559 (or 3159567540 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20221232211200 its reverse (211223212202), we get a palindrome (20432455423402).

The spelling of 20221232211200 in words is "twenty trillion, two hundred twenty-one billion, two hundred thirty-two million, two hundred eleven thousand, two hundred".