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20012030223 = 333719794293
BaseRepresentation
bin10010101000110011…
…110101100100001111
31220122200011110121120
4102220303311210033
5311441034431343
613105435132023
71305626310303
oct225063654417
956580143546
1020012030223
11853a2a6559
123a65ba4013
131b6c02a603
14d7bb37d03
157c1d45683
hex4a8cf590f

20012030223 has 8 divisors (see below), whose sum is σ = 26761885488. Its totient is φ = 13301764224.

The previous prime is 20012030189. The next prime is 20012030239. The reversal of 20012030223 is 32203021002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20012030223 - 217 = 20011899151 is a prime.

It is a super-3 number, since 3×200120302233 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012030293) 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, 9896136 + ... + 9898157.

It is an arithmetic number, because the mean of its divisors is an integer number (3345235686).

Almost surely, 220012030223 is an apocalyptic number.

20012030223 is a deficient number, since it is larger than the sum of its proper divisors (6749855265).

20012030223 is a wasteful number, since it uses less digits than its factorization.

20012030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19794633.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20012030223 its reverse (32203021002), we get a palindrome (52215051225).

The spelling of 20012030223 in words is "twenty billion, twelve million, thirty thousand, two hundred twenty-three".

Divisors: 1 3 337 1011 19794293 59382879 6670676741 20012030223