220113293 has 4 divisors (see below), whose sum is σ = 224266428. Its totient is φ = 215960160.

The previous prime is 220113281. The next prime is 220113307. The reversal of 220113293 is 392311022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 392311022 = 2 ⋅196155511.

It can be written as a sum of positive squares in 2 ways, for example, as 172475689 + 47637604 = 13133^2 + 6902^2 .

It is a de Polignac number, because none of the positive numbers 2^k-220113293 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 (220113203) 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, 2076488 + ... + 2076593.

It is an arithmetic number, because the mean of its divisors is an integer number (56066607).

Almost surely, 2^220113293 is an apocalyptic number.

It is an amenable number.

220113293 is a deficient number, since it is larger than the sum of its proper divisors (4153135).

220113293 is an equidigital number, since it uses as much as digits as its factorization.

220113293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153134.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 220113293 is about 14836.2155888892. The cubic root of 220113293 is about 603.7846814119.

The spelling of 220113293 in words is "two hundred twenty million, one hundred thirteen thousand, two hundred ninety-three".