20020002002102 has 4 divisors (see below), whose sum is σ = 30030003003156. Its totient is φ = 10010001001050.

The previous prime is 20020002002071. The next prime is 20020002002179. The reversal of 20020002002102 is 20120020002002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005000500524 + ... + 5005000500527.

It is an arithmetic number, because the mean of its divisors is an integer number (7507500750789).

Almost surely, 2^{20020002002102} is an apocalyptic number.

20020002002102 is a deficient number, since it is larger than the sum of its proper divisors (10010001001054).

20020002002102 is a wasteful number, since it uses less digits than its factorization.

20020002002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010001001053.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20020002002102 its reverse (20120020002002), we get a palindrome (40140022004104).

The spelling of 20020002002102 in words is "twenty trillion, twenty billion, two million, two thousand, one hundred two".