202010202100209 has 24 divisors (see below), whose sum is σ = 284273560089792. Its totient is φ = 127583435734560.

The previous prime is 202010202100159. The next prime is 202010202100249. The reversal of 202010202100209 is 902001202010202.

It is a happy number.

It is not a de Polignac number, because 202010202100209 - 2²⁴ = 202010185322993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202010202100249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70971412 + ... + 73762874.

It is an arithmetic number, because the mean of its divisors is an integer number (11844731670408).

Almost surely, 2^{202010202100209} is an apocalyptic number.

It is an amenable number.

202010202100209 is a deficient number, since it is larger than the sum of its proper divisors (82263357989583).

202010202100209 is a wasteful number, since it uses less digits than its factorization.

202010202100209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858325 (or 2858306 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 202010202100209 in words is "two hundred two trillion, ten billion, two hundred two million, one hundred thousand, two hundred nine".