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23335205420 = 2251166760271
BaseRepresentation
bin10101101110111000…
…101111101000101100
32020020021022020222102
4111232320233220230
5340242303033140
614415310234232
71454160654602
oct255670575054
966207266872
1023335205420
11999512a23a
124632ab5978
13227b665377
1411b5227872
15918974e15
hex56ee2fa2c

23335205420 has 12 divisors (see below), whose sum is σ = 49003931424. Its totient is φ = 9334082160.

The previous prime is 23335205417. The next prime is 23335205437. The reversal of 23335205420 is 2450253332.

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, 583380116 + ... + 583380155.

It is an arithmetic number, because the mean of its divisors is an integer number (4083660952).

Almost surely, 223335205420 is an apocalyptic number.

23335205420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23335205420 is an abundant number, since it is smaller than the sum of its proper divisors (25668726004).

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

23335205420 is a wasteful number, since it uses less digits than its factorization.

23335205420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166760280 (or 1166760278 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 23335205420 its reverse (2450253332), we get a palindrome (25785458752).

The spelling of 23335205420 in words is "twenty-three billion, three hundred thirty-five million, two hundred five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1166760271 2333520542 4667041084 5833801355 11667602710 23335205420