220299061 has 4 divisors (see below), whose sum is σ = 220358124. Its totient is φ = 220240000.

The previous prime is 220299049. The next prime is 220299067. The reversal of 220299061 is 160992022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45900625 + 174398436 = 6775^2 + 13206^2 .

It is a cyclic number.

It is not a de Polignac number, because 220299061 - 2⁹ = 220298549 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 (220299067) 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, 23530 + ... + 31531.

It is an arithmetic number, because the mean of its divisors is an integer number (55089531).

Almost surely, 2^220299061 is an apocalyptic number.

It is an amenable number.

220299061 is a deficient number, since it is larger than the sum of its proper divisors (59063).

220299061 is an equidigital number, since it uses as much as digits as its factorization.

220299061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59062.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 220299061 is about 14842.4748947067. The cubic root of 220299061 is about 603.9544914399.

The spelling of 220299061 in words is "two hundred twenty million, two hundred ninety-nine thousand, sixty-one".