100000020000002 has 4 divisors (see below), whose sum is σ = 150000030000006. Its totient is φ = 50000010000000.

The previous prime is 100000019999977. The next prime is 100000020000019. The reversal of 100000020000002 is 200000020000001.

It is a Cunningham number, because it is equal to 10000001²+1.

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., 100000020000001 + 1 = 10000001^2 + 1^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000004999999 + ... + 25000005000002.

Almost surely, 2^{100000020000002} is an apocalyptic number.

100000020000002 is a deficient number, since it is larger than the sum of its proper divisors (50000010000004).

100000020000002 is an equidigital number, since it uses as much as digits as its factorization.

100000020000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50000010000003.

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

Adding to 100000020000002 its reverse (200000020000001), we get a palindrome (300000040000003).

Subtracting 100000020000002 from its reverse (200000020000001), we obtain a palindrome (99999999999999).

The spelling of 100000020000002 in words is "one hundred trillion, twenty million, two", and thus it is an aban number.