2020200021986 has 4 divisors (see below), whose sum is σ = 3030300032982. Its totient is φ = 1010100010992.

The previous prime is 2020200021971. The next prime is 2020200021997. The reversal of 2020200021986 is 6891200020202.

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., 1220461515025 + 799738506961 = 1104745^2 + 894281^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505050005495 + ... + 505050005498.

Almost surely, 2^{2020200021986} is an apocalyptic number.

2020200021986 is a deficient number, since it is larger than the sum of its proper divisors (1010100010996).

2020200021986 is a wasteful number, since it uses less digits than its factorization.

2020200021986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010100010995.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 2020200021986 in words is "two trillion, twenty billion, two hundred million, twenty-one thousand, nine hundred eighty-six".