20122210200 has 96 divisors (see below), whose sum is σ = 62870261760. Its totient is φ = 5323651200.

The previous prime is 20122210183. The next prime is 20122210201. The reversal of 20122210200 is 201222102.

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 (20122210201) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 55836 + ... + 208235.

It is an arithmetic number, because the mean of its divisors is an integer number (654898560).

Almost surely, 2^20122210200 is an apocalyptic number.

20122210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122210200 is an abundant number, since it is smaller than the sum of its proper divisors (42748051560).

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

20122210200 is a wasteful number, since it uses less digits than its factorization.

20122210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264217 (or 264208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20122210200 its reverse (201222102), we get a palindrome (20323432302).

20122210200 divided by its reverse (201222102) gives a square (100 = 10²).

The spelling of 20122210200 in words is "twenty billion, one hundred twenty-two million, two hundred ten thousand, two hundred".