2020100102002 has 4 divisors (see below), whose sum is σ = 3030150153006. Its totient is φ = 1010050051000.

The previous prime is 2020100101969. The next prime is 2020100102029. The reversal of 2020100102002 is 2002010010202.

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., 1802572074801 + 217528027201 = 1342599^2 + 466399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2020100102002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505025025499 + ... + 505025025502.

Almost surely, 2^{2020100102002} is an apocalyptic number.

2020100102002 is a deficient number, since it is larger than the sum of its proper divisors (1010050051004).

2020100102002 is a wasteful number, since it uses less digits than its factorization.

2020100102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010050051003.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2020100102002 its reverse (2002010010202), we get a palindrome (4022110112204).

It can be divided in two parts, 202010010200 and 2, that added together give a palindrome (202010010202).

The spelling of 2020100102002 in words is "two trillion, twenty billion, one hundred million, one hundred two thousand, two".