2020002100002 has 12 divisors (see below), whose sum is σ = 4376671216710. Its totient is φ = 673334033328.

The previous prime is 2020002099991. The next prime is 2020002100009. The reversal of 2020002100002 is 2000012000202.

It can be written as a sum of positive squares in only one way, i.e., 1994899183281 + 25102916721 = 1412409^2 + 158439^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2020002100009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56111169427 + ... + 56111169462.

Almost surely, 2^{2020002100002} is an apocalyptic number.

2020002100002 is an abundant number, since it is smaller than the sum of its proper divisors (2356669116708).

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

2020002100002 is a wasteful number, since it uses less digits than its factorization.

2020002100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112222338897 (or 112222338894 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2020002100002 its reverse (2000012000202), we get a palindrome (4020014100204).

The spelling of 2020002100002 in words is "two trillion, twenty billion, two million, one hundred thousand, two".