20102220112002 has 32 divisors (see below), whose sum is σ = 46036123542144. Its totient is φ = 5732467478400.

The previous prime is 20102220111977. The next prime is 20102220112003. The reversal of 20102220112002 is 20021102220102.

It is not an unprimeable number, because it can be changed into a prime (20102220112003) 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, 459310449 + ... + 459354212.

It is an arithmetic number, because the mean of its divisors is an integer number (1438628860692).

Almost surely, 2^{20102220112002} is an apocalyptic number.

20102220112002 is an abundant number, since it is smaller than the sum of its proper divisors (25933903430142).

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

20102220112002 is a wasteful number, since it uses less digits than its factorization.

20102220112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918665194.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20102220112002 its reverse (20021102220102), we get a palindrome (40123322332104).

The spelling of 20102220112002 in words is "twenty trillion, one hundred two billion, two hundred twenty million, one hundred twelve thousand, two".