20021202100002 has 16 divisors (see below), whose sum is σ = 40043083328640. Its totient is φ = 6673620845232.

The previous prime is 20021202099989. The next prime is 20021202100033. The reversal of 20021202100002 is 20000120212002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27913377 + ... + 28621652.

It is an arithmetic number, because the mean of its divisors is an integer number (2502692708040).

Almost surely, 2^{20021202100002} is an apocalyptic number.

20021202100002 is an abundant number, since it is smaller than the sum of its proper divisors (20021881228638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20021202100002 is a wasteful number, since it uses less digits than its factorization.

20021202100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56594057.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20021202100002 its reverse (20000120212002), we get a palindrome (40021322312004).

The spelling of 20021202100002 in words is "twenty trillion, twenty-one billion, two hundred two million, one hundred thousand, two".