20100020000001 has 8 divisors (see below), whose sum is σ = 26877260174304. Its totient is φ = 13361396579520.

The previous prime is 20100019999921. The next prime is 20100020000003. The reversal of 20100020000001 is 10000002000102.

It is a happy number.

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

It is not a de Polignac number, because 20100020000001 - 2¹⁸ = 20100019737857 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 9654187240 + ... + 9654189321.

It is an arithmetic number, because the mean of its divisors is an integer number (3359657521788).

Almost surely, 2^{20100020000001} is an apocalyptic number.

It is an amenable number.

20100020000001 is a deficient number, since it is larger than the sum of its proper divisors (6777240174303).

20100020000001 is a wasteful number, since it uses less digits than its factorization.

20100020000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19308376911.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 20100020000001 its reverse (10000002000102), we get a palindrome (30100022000103).

The spelling of 20100020000001 in words is "twenty trillion, one hundred billion, twenty million, one", and thus it is an aban number.