20001110102 has 4 divisors (see below), whose sum is σ = 30001665156. Its totient is φ = 10000555050.

The previous prime is 20001110099. The next prime is 20001110117. The reversal of 20001110102 is 20101110002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20001110102.

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, 5000277524 + ... + 5000277527.

It is an arithmetic number, because the mean of its divisors is an integer number (7500416289).

Almost surely, 2^20001110102 is an apocalyptic number.

20001110102 is a deficient number, since it is larger than the sum of its proper divisors (10000555054).

20001110102 is a wasteful number, since it uses less digits than its factorization.

20001110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000555053.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20001110102 its reverse (20101110002), we get a palindrome (40102220104).

The spelling of 20001110102 in words is "twenty billion, one million, one hundred ten thousand, one hundred two".