220061545 has 8 divisors (see below), whose sum is σ = 288080640. Its totient is φ = 160044720.

The previous prime is 220061521. The next prime is 220061551. The reversal of 220061545 is 545160022.

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

It is a de Polignac number, because none of the positive numbers 2^k-220061545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000505 + ... + 2000614.

It is an arithmetic number, because the mean of its divisors is an integer number (36010080).

Almost surely, 2^220061545 is an apocalyptic number.

It is an amenable number.

220061545 is a deficient number, since it is larger than the sum of its proper divisors (68019095).

220061545 is a wasteful number, since it uses less digits than its factorization.

220061545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001135.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 220061545 is about 14834.4715106403. The cubic root of 220061545 is about 603.7373616914.

The spelling of 220061545 in words is "two hundred twenty million, sixty-one thousand, five hundred forty-five".