Search a number
-
+
220303320 = 23351835861
BaseRepresentation
bin11010010000110…
…00111111011000
3120100112120100020
431020120333120
5422344201240
633505510440
75313355506
oct1510307730
9510476306
10220303320
111033a0166
1261942420
13368457c3
1421389676
151451a0d0
hexd218fd8

220303320 has 32 divisors (see below), whose sum is σ = 660910320. Its totient is φ = 58747520.

The previous prime is 220303313. The next prime is 220303333. The reversal of 220303320 is 23303022.

220303320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220303320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917811 + ... + 918050.

Almost surely, 2220303320 is an apocalyptic number.

220303320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220303320 is an abundant number, since it is smaller than the sum of its proper divisors (440607000).

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

220303320 is a wasteful number, since it uses less digits than its factorization.

220303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835875 (or 1835871 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 220303320 is about 14842.6183673906. The cubic root of 220303320 is about 603.9583834607.

Adding to 220303320 its reverse (23303022), we get a palindrome (243606342).

The spelling of 220303320 in words is "two hundred twenty million, three hundred three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1835861 3671722 5507583 7343444 9179305 11015166 14686888 18358610 22030332 27537915 36717220 44060664 55075830 73434440 110151660 220303320