220608061 has 4 divisors (see below), whose sum is σ = 222292224. Its totient is φ = 218923900.

The previous prime is 220608041. The next prime is 220608077. The reversal of 220608061 is 160806022.

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 220608061 - 2¹⁵ = 220575293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220608041) 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, 841885 + ... + 842146.

It is an arithmetic number, because the mean of its divisors is an integer number (55573056).

Almost surely, 2^220608061 is an apocalyptic number.

It is an amenable number.

220608061 is a deficient number, since it is larger than the sum of its proper divisors (1684163).

220608061 is a wasteful number, since it uses less digits than its factorization.

220608061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684162.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 220608061 is about 14852.8805623690. The cubic root of 220608061 is about 604.2367361766.

The spelling of 220608061 in words is "two hundred twenty million, six hundred eight thousand, sixty-one".