20002102110002 has 4 divisors (see below), whose sum is σ = 30003153165006. Its totient is φ = 10001051055000.

The previous prime is 20002102109953. The next prime is 20002102110071. The reversal of 20002102110002 is 20001120120002.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 18626034692521 + 1376067417481 = 4315789^2 + 1173059^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000525527499 + ... + 5000525527502.

Almost surely, 2^{20002102110002} is an apocalyptic number.

20002102110002 is a deficient number, since it is larger than the sum of its proper divisors (10001051055004).

20002102110002 is a wasteful number, since it uses less digits than its factorization.

20002102110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001051055003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20002102110002 its reverse (20001120120002), we get a palindrome (40003222230004).

The spelling of 20002102110002 in words is "twenty trillion, two billion, one hundred two million, one hundred ten thousand, two".