220147701 has 4 divisors (see below), whose sum is σ = 293530272. Its totient is φ = 146765132.

The previous prime is 220147693. The next prime is 220147721. The reversal of 220147701 is 107741022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220147701 - 2³ = 220147693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220147721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36691281 + ... + 36691286.

It is an arithmetic number, because the mean of its divisors is an integer number (73382568).

Almost surely, 2^220147701 is an apocalyptic number.

It is an amenable number.

220147701 is a deficient number, since it is larger than the sum of its proper divisors (73382571).

220147701 is an equidigital number, since it uses as much as digits as its factorization.

220147701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73382570.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 220147701 is about 14837.3751384805. The cubic root of 220147701 is about 603.8161408793.

Adding to 220147701 its reverse (107741022), we get a palindrome (327888723).

The spelling of 220147701 in words is "two hundred twenty million, one hundred forty-seven thousand, seven hundred one".