220734089 has 4 divisors (see below), whose sum is σ = 221258820. Its totient is φ = 220209360.

The previous prime is 220734079. The next prime is 220734091. The reversal of 220734089 is 980437022.

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 101203600 + 119530489 = 10060^2 + 10933^2 .

It is a cyclic number.

It is not a de Polignac number, because 220734089 - 2⁸ = 220733833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220734079) 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, 261734 + ... + 262575.

It is an arithmetic number, because the mean of its divisors is an integer number (55314705).

Almost surely, 2^220734089 is an apocalyptic number.

It is an amenable number.

220734089 is a deficient number, since it is larger than the sum of its proper divisors (524731).

220734089 is an equidigital number, since it uses as much as digits as its factorization.

220734089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524730.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 220734089 is about 14857.1225006729. The cubic root of 220734089 is about 604.3517761720.

It can be divided in two parts, 22073 and 4089, that added together give a palindrome (26162).

The spelling of 220734089 in words is "two hundred twenty million, seven hundred thirty-four thousand, eighty-nine".