20100020000002 has 8 divisors (see below), whose sum is σ = 30150062335296. Its totient is φ = 10049999221572.

The previous prime is 20100019999921. The next prime is 20100020000003. The reversal of 20100020000002 is 20000002000102.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20100020000002.

It is not an unprimeable number, because it can be changed into a prime (20100020000003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811598 + ... + 6935785.

It is an arithmetic number, because the mean of its divisors is an integer number (3768757791912).

Almost surely, 2^{20100020000002} is an apocalyptic number.

20100020000002 is a deficient number, since it is larger than the sum of its proper divisors (10050042335294).

20100020000002 is a wasteful number, since it uses less digits than its factorization.

20100020000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10778432.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20100020000002 its reverse (20000002000102), we get a palindrome (40100022000104).

The spelling of 20100020000002 in words is "twenty trillion, one hundred billion, twenty million, two", and thus it is an aban number.