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201020212002223 = 294195768328739
BaseRepresentation
bin101101101101001110101010…
…010101000011110110101111
3222100202100022012111120200101
4231231032222111003312233
5202322003343233032343
61551311224401211531
760225142151253655
oct5555165225036657
9870670265446611
10201020212002223
11590622140a8709
121a667092330ba7
138822180b2c643
14378d60457add5
151838ee4e9be4d
hexb6d3aa543daf

201020212002223 has 4 divisors (see below), whose sum is σ = 201020283272920. Its totient is φ = 201020140731528.

The previous prime is 201020212002217. The next prime is 201020212002257. The reversal of 201020212002223 is 322200212020102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201020212002223 - 229 = 201019675131311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201020212002223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020212002283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31222413 + ... + 37106326.

It is an arithmetic number, because the mean of its divisors is an integer number (50255070818230).

Almost surely, 2201020212002223 is an apocalyptic number.

201020212002223 is a deficient number, since it is larger than the sum of its proper divisors (71270697).

201020212002223 is an equidigital number, since it uses as much as digits as its factorization.

201020212002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71270696.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 201020212002223 its reverse (322200212020102), we get a palindrome (523220424022325).

The spelling of 201020212002223 in words is "two hundred one trillion, twenty billion, two hundred twelve million, two thousand, two hundred twenty-three".

Divisors: 1 2941957 68328739 201020212002223