20100000002 has 8 divisors (see below), whose sum is σ = 30150601536. Its totient is φ = 10049799492.

The previous prime is 20099999981. The next prime is 20100000047. The reversal of 20100000002 is 20000000102.

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

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, 147803 + ... + 249089.

It is an arithmetic number, because the mean of its divisors is an integer number (3768825192).

Almost surely, 2^20100000002 is an apocalyptic number.

20100000002 is a deficient number, since it is larger than the sum of its proper divisors (10050601534).

20100000002 is a wasteful number, since it uses less digits than its factorization.

20100000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200512.

The product of its (nonzero) digits is 4, while the sum is 5.

Adding to 20100000002 its reverse (20000000102), we get a palindrome (40100000104).

The spelling of 20100000002 in words is "twenty billion, one hundred million, two", and thus it is an aban number.