20002002100102 has 16 divisors (see below), whose sum is σ = 32730654758400. Its totient is φ = 9091789728840.

The previous prime is 20002002100013. The next prime is 20002002100109. The reversal of 20002002100102 is 20100120020002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002002100109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6428899 + ... + 9018577.

It is an arithmetic number, because the mean of its divisors is an integer number (2045665922400).

Almost surely, 2^{20002002100102} is an apocalyptic number.

20002002100102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002002100102 is a deficient number, since it is larger than the sum of its proper divisors (12728652658298).

20002002100102 is a wasteful number, since it uses less digits than its factorization.

20002002100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940771.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20002002100102 its reverse (20100120020002), we get a palindrome (40102122120104).

The spelling of 20002002100102 in words is "twenty trillion, two billion, two million, one hundred thousand, one hundred two".