20022212120200 has 24 divisors (see below), whose sum is σ = 46551643179930. Its totient is φ = 8008884848000.

The previous prime is 20022212120191. The next prime is 20022212120201. The reversal of 20022212120200 is 202121222002.

It can be written as a sum of positive squares in 3 ways, for example, as 11289371521156 + 8732840599044 = 3359966^2 + 2955138^2 .

It is not an unprimeable number, because it can be changed into a prime (20022212120201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50055530101 + ... + 50055530500.

Almost surely, 2^{20022212120200} is an apocalyptic number.

20022212120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022212120200 is an abundant number, since it is smaller than the sum of its proper divisors (26529431059730).

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

20022212120200 is a wasteful number, since it uses less digits than its factorization.

20022212120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100111060617 (or 100111060608 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20022212120200 its reverse (202121222002), we get a palindrome (20224333342202).

The spelling of 20022212120200 in words is "twenty trillion, twenty-two billion, two hundred twelve million, one hundred twenty thousand, two hundred".