20002202122100 has 72 divisors (see below), whose sum is σ = 47838819036288. Its totient is φ = 7198543180800.

The previous prime is 20002202122057. The next prime is 20002202122103. The reversal of 20002202122100 is 122120220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002202122103) 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, 93624332 + ... + 93837731.

Almost surely, 2^{20002202122100} is an apocalyptic number.

20002202122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002202122100 is an abundant number, since it is smaller than the sum of its proper divisors (27836616914188).

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

20002202122100 is a wasteful number, since it uses less digits than its factorization.

20002202122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187462185 (or 187462178 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20002202122100 its reverse (122120220002), we get a palindrome (20124322342102).

The spelling of 20002202122100 in words is "twenty trillion, two billion, two hundred two million, one hundred twenty-two thousand, one hundred".