220027493 has 24 divisors (see below), whose sum is σ = 264884472. Its totient is φ = 182093184.

The previous prime is 220027459. The next prime is 220027513. The reversal of 220027493 is 394720022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13300609 + 206726884 = 3647^2 + 14378^2 .

It is not a de Polignac number, because 220027493 - 2⁸ = 220027237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220027393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284255 + ... + 285027.

It is an arithmetic number, because the mean of its divisors is an integer number (11036853).

Almost surely, 2^220027493 is an apocalyptic number.

It is an amenable number.

220027493 is a deficient number, since it is larger than the sum of its proper divisors (44856979).

220027493 is a wasteful number, since it uses less digits than its factorization.

220027493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 220027493 is about 14833.3237340793. The cubic root of 220027493 is about 603.7062196077.

The spelling of 220027493 in words is "two hundred twenty million, twenty-seven thousand, four hundred ninety-three".