220315356 has 24 divisors (see below), whose sum is σ = 571188240. Its totient is φ = 73438416.

The previous prime is 220315351. The next prime is 220315373. The reversal of 220315356 is 653513022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220315351) 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, 1019871 + ... + 1020086.

It is an arithmetic number, because the mean of its divisors is an integer number (23799510).

Almost surely, 2^220315356 is an apocalyptic number.

It is an amenable number.

220315356 is an abundant number, since it is smaller than the sum of its proper divisors (350872884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220315356 is a wasteful number, since it uses less digits than its factorization.

220315356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039970 (or 2039962 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 220315356 is about 14843.0238159211. The cubic root of 220315356 is about 603.9693821007.

Adding to 220315356 its reverse (653513022), we get a palindrome (873828378).

The spelling of 220315356 in words is "two hundred twenty million, three hundred fifteen thousand, three hundred fifty-six".