220140371 has 4 divisors (see below), whose sum is σ = 240153144. Its totient is φ = 200127600.

The previous prime is 220140353. The next prime is 220140377. The reversal of 220140371 is 173041022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220140371 - 2²² = 215946067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220140377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10006370 + ... + 10006391.

It is an arithmetic number, because the mean of its divisors is an integer number (60038286).

Almost surely, 2^220140371 is an apocalyptic number.

220140371 is a deficient number, since it is larger than the sum of its proper divisors (20012773).

220140371 is a wasteful number, since it uses less digits than its factorization.

220140371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20012772.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 220140371 is about 14837.1281250787. The cubic root of 220140371 is about 603.8094392854.

Adding to 220140371 its reverse (173041022), we get a palindrome (393181393).

The spelling of 220140371 in words is "two hundred twenty million, one hundred forty thousand, three hundred seventy-one".