202220051 has 8 divisors (see below), whose sum is σ = 221529600. Its totient is φ = 183064840.

The previous prime is 202220041. The next prime is 202220089. The reversal of 202220051 is 150022202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202220051 - 2²² = 198025747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35831 + ... + 41088.

It is an arithmetic number, because the mean of its divisors is an integer number (27691200).

Almost surely, 2^202220051 is an apocalyptic number.

202220051 is a deficient number, since it is larger than the sum of its proper divisors (19309549).

202220051 is a wasteful number, since it uses less digits than its factorization.

202220051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77169.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 202220051 is about 14220.4096635786. The cubic root of 202220051 is about 586.9594131598.

Adding to 202220051 its reverse (150022202), we get a palindrome (352242253).

The spelling of 202220051 in words is "two hundred two million, two hundred twenty thousand, fifty-one".