10020020000002 has 4 divisors (see below), whose sum is σ = 15030030000006. Its totient is φ = 5010010000000.

The previous prime is 10020019999999. The next prime is 10020020000027. The reversal of 10020020000002 is 20000002002001.

It is a happy number.

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., 7599665049001 + 2420354951001 = 2756749^2 + 1555749^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10020020000002.

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, 2505004999999 + ... + 2505005000002.

Almost surely, 2^{10020020000002} is an apocalyptic number.

10020020000002 is a deficient number, since it is larger than the sum of its proper divisors (5010010000004).

10020020000002 is an equidigital number, since it uses as much as digits as its factorization.

10020020000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010010000003.

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

Adding to 10020020000002 its reverse (20000002002001), we get a palindrome (30020022002003).

The spelling of 10020020000002 in words is "ten trillion, twenty billion, twenty million, two", and thus it is an aban number and an uban number.