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20032122017 is a prime number
BaseRepresentation
bin10010101010000000…
…011110110010100001
31220201001222020101002
4102222000132302201
5312011210401032
613111433521345
71306262141045
oct225200366241
956631866332
1020032122017
11854a679846
123a70873255
131b7324374b
14d80688025
157c39b3862
hex4aa01eca1

20032122017 has 2 divisors, whose sum is σ = 20032122018. Its totient is φ = 20032122016.

The previous prime is 20032122007. The next prime is 20032122031. The reversal of 20032122017 is 71022123002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12125533456 + 7906588561 = 110116^2 + 88919^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032122017 - 214 = 20032105633 is a prime.

It is a super-2 number, since 2×200321220172 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20032122017.

It is not a weakly prime, because it can be changed into another prime (20032122007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016061008 + 10016061009.

It is an arithmetic number, because the mean of its divisors is an integer number (10016061009).

Almost surely, 220032122017 is an apocalyptic number.

It is an amenable number.

20032122017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032122017 is an equidigital number, since it uses as much as digits as its factorization.

20032122017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 20032122017 its reverse (71022123002), we get a palindrome (91054245019).

The spelling of 20032122017 in words is "twenty billion, thirty-two million, one hundred twenty-two thousand, seventeen".