20002210012120 has 64 divisors (see below), whose sum is σ = 52306021382400. Its totient is φ = 6741664967040.

The previous prime is 20002210012111. The next prime is 20002210012123. The reversal of 20002210012120 is 2121001220002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20002210012120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002210012123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605377246 + ... + 605410285.

It is an arithmetic number, because the mean of its divisors is an integer number (817281584100).

Almost surely, 2^{20002210012120} is an apocalyptic number.

20002210012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002210012120 is an abundant number, since it is smaller than the sum of its proper divisors (32303811370280).

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

20002210012120 is a wasteful number, since it uses less digits than its factorization.

20002210012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210787608 (or 1210787604 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20002210012120 its reverse (2121001220002), we get a palindrome (22123211232122).

The spelling of 20002210012120 in words is "twenty trillion, two billion, two hundred ten million, twelve thousand, one hundred twenty".