220050381 has 16 divisors (see below), whose sum is σ = 315417600. Its totient is φ = 136020528.

The previous prime is 220050377. The next prime is 220050401. The reversal of 220050381 is 183050022.

It is not a de Polignac number, because 220050381 - 2² = 220050377 is a prime.

It is a super-2 number, since 2×220050381² = 96844340356490322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220050331) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38391 + ... + 43748.

It is an arithmetic number, because the mean of its divisors is an integer number (19713600).

Almost surely, 2^220050381 is an apocalyptic number.

It is an amenable number.

220050381 is a deficient number, since it is larger than the sum of its proper divisors (95367219).

220050381 is a wasteful number, since it uses less digits than its factorization.

220050381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82208.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 220050381 is about 14834.0952201339. The cubic root of 220050381 is about 603.7271520659.

The spelling of 220050381 in words is "two hundred twenty million, fifty thousand, three hundred eighty-one".