220293311 has 8 divisors (see below), whose sum is σ = 253747200. Its totient is φ = 187335288.

The previous prime is 220293289. The next prime is 220293323. The reversal of 220293311 is 113392022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220293311 - 2⁶ = 220293247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220293611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123011 + ... + 124788.

It is an arithmetic number, because the mean of its divisors is an integer number (31718400).

Almost surely, 2^220293311 is an apocalyptic number.

220293311 is a deficient number, since it is larger than the sum of its proper divisors (33453889).

220293311 is a wasteful number, since it uses less digits than its factorization.

220293311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247933.

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

The square root of 220293311 is about 14842.2811925930. The cubic root of 220293311 is about 603.9492368123.

The spelling of 220293311 in words is "two hundred twenty million, two hundred ninety-three thousand, three hundred eleven".