220974800493 has 32 divisors (see below), whose sum is σ = 302629519360. Its totient is φ = 143375520960.

The previous prime is 220974800461. The next prime is 220974800537. The reversal of 220974800493 is 394008479022.

It is not a de Polignac number, because 220974800493 - 2⁵ = 220974800461 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 (220974800093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8795796 + ... + 8820882.

It is an arithmetic number, because the mean of its divisors is an integer number (9457172480).

Almost surely, 2^220974800493 is an apocalyptic number.

It is an amenable number.

220974800493 is a deficient number, since it is larger than the sum of its proper divisors (81654718867).

220974800493 is a wasteful number, since it uses less digits than its factorization.

220974800493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25657.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 220974800493 in words is "two hundred twenty billion, nine hundred seventy-four million, eight hundred thousand, four hundred ninety-three".