202220109988 has 12 divisors (see below), whose sum is σ = 381107130460. Its totient is φ = 93332358432.

The previous prime is 202220109953. The next prime is 202220109997. The reversal of 202220109988 is 889901022202.

It can be written as a sum of positive squares in 2 ways, for example, as 137476325284 + 64743784704 = 370778^2 + 254448^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1944424083 + ... + 1944424186.

Almost surely, 2^202220109988 is an apocalyptic number.

It is an amenable number.

202220109988 is a deficient number, since it is larger than the sum of its proper divisors (178887020472).

202220109988 is a wasteful number, since it uses less digits than its factorization.

202220109988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888848286 (or 3888848284 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 202220109988 in words is "two hundred two billion, two hundred twenty million, one hundred nine thousand, nine hundred eighty-eight".