20002100202102 has 8 divisors (see below), whose sum is σ = 40004200404216. Its totient is φ = 6667366734032.

The previous prime is 20002100202031. The next prime is 20002100202137. The reversal of 20002100202102 is 20120200120002.

It is a sphenic number, since it is the product of 3 distinct primes.

20002100202102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666841683503 + ... + 1666841683514.

It is an arithmetic number, because the mean of its divisors is an integer number (5000525050527).

Almost surely, 2^{20002100202102} is an apocalyptic number.

20002100202102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20002100202102 is a wasteful number, since it uses less digits than its factorization.

20002100202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333683367022.

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

Adding to 20002100202102 its reverse (20120200120002), we get a palindrome (40122300322104).

The spelling of 20002100202102 in words is "twenty trillion, two billion, one hundred million, two hundred two thousand, one hundred two".