220403716 has 27 divisors (see below), whose sum is σ = 418391253. Its totient is φ = 101546640.

The previous prime is 220403713. The next prime is 220403719. The reversal of 220403716 is 617304022.

The square root of 220403716 is 14846.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (220403713) and next prime (220403719).

It can be written as a sum of positive squares in only one way, i.e., 32604100 + 187799616 = 5710^2 + 13704^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220403713) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 385711 + ... + 386281.

Almost surely, 2^220403716 is an apocalyptic number.

220403716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

220403716 is the 14846-th square number.

It is an amenable number.

220403716 is a deficient number, since it is larger than the sum of its proper divisors (197987537).

220403716 is an equidigital number, since it uses as much as digits as its factorization.

220403716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The cubic root of 220403716 is about 604.0501142577.

Multiplying 220403716 by its sum of digits (25), we get a square (5510092900 = 74230²).

Adding to 220403716 its reverse (617304022), we get a palindrome (837707738).

The spelling of 220403716 in words is "two hundred twenty million, four hundred three thousand, seven hundred sixteen".