220761147 has 8 divisors (see below), whose sum is σ = 294446080. Its totient is φ = 147125160.

The previous prime is 220761139. The next prime is 220761197. The reversal of 220761147 is 741167022.

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

It is not a de Polignac number, because 220761147 - 2³ = 220761139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220761127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54 + ... + 21012.

It is an arithmetic number, because the mean of its divisors is an integer number (36805760).

Almost surely, 2^220761147 is an apocalyptic number.

220761147 is a deficient number, since it is larger than the sum of its proper divisors (73684933).

220761147 is a wasteful number, since it uses less digits than its factorization.

220761147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24473.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 220761147 is about 14858.0330797855. The cubic root of 220761147 is about 604.3764693557.

The spelling of 220761147 in words is "two hundred twenty million, seven hundred sixty-one thousand, one hundred forty-seven".