202220450836 has 12 divisors (see below), whose sum is σ = 353895059700. Its totient is φ = 101107576640.

The previous prime is 202220450827. The next prime is 202220450843. The reversal of 202220450836 is 638054022202.

It can be written as a sum of positive squares in 2 ways, for example, as 11958734736 + 190261716100 = 109356^2 + 436190^2 .

It is a super-2 number, since 2×202220450836² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485161 + ... + 799888.

It is an arithmetic number, because the mean of its divisors is an integer number (29491254975).

Almost surely, 2^202220450836 is an apocalyptic number.

It is an amenable number.

202220450836 is a deficient number, since it is larger than the sum of its proper divisors (151674608864).

202220450836 is a wasteful number, since it uses less digits than its factorization.

202220450836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324394 (or 1324392 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 202220450836 in words is "two hundred two billion, two hundred twenty million, four hundred fifty thousand, eight hundred thirty-six".