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2331330220 = 225116566511
BaseRepresentation
bin1000101011110101…
…0100011010101100
320000110210211211201
42022331110122230
514233310031340
61023200255244
7111525660052
oct21275243254
96013724751
102331330220
11a96a7a99a
12550911524
132b1cc474b
141818a61d2
15d9a0e79a
hex8af546ac

2331330220 has 12 divisors (see below), whose sum is σ = 4895793504. Its totient is φ = 932532080.

The previous prime is 2331330217. The next prime is 2331330251. The reversal of 2331330220 is 220331332.

It is a happy number.

2331330220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58283236 + ... + 58283275.

It is an arithmetic number, because the mean of its divisors is an integer number (407982792).

Almost surely, 22331330220 is an apocalyptic number.

2331330220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331330220 is an abundant number, since it is smaller than the sum of its proper divisors (2564463284).

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

2331330220 is a wasteful number, since it uses less digits than its factorization.

2331330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116566520 (or 116566518 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2331330220 is about 48283.8505092541. The cubic root of 2331330220 is about 1325.9727462289.

Adding to 2331330220 its reverse (220331332), we get a palindrome (2551661552).

The spelling of 2331330220 in words is "two billion, three hundred thirty-one million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 116566511 233133022 466266044 582832555 1165665110 2331330220