202221007672 has 32 divisors (see below), whose sum is σ = 393888539520. Its totient is φ = 97225614720.

The previous prime is 202221007661. The next prime is 202221007687. The reversal of 202221007672 is 276700122202.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2557903 + ... + 2635774.

It is an arithmetic number, because the mean of its divisors is an integer number (12309016860).

Almost surely, 2^202221007672 is an apocalyptic number.

It is an amenable number.

202221007672 is a deficient number, since it is larger than the sum of its proper divisors (191667531848).

202221007672 is a wasteful number, since it uses less digits than its factorization.

202221007672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193871 (or 5193867 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

Adding to 202221007672 its reverse (276700122202), we get a palindrome (478921129874).

The spelling of 202221007672 in words is "two hundred two billion, two hundred twenty-one million, seven thousand, six hundred seventy-two".