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20020200122001 = 3179162722914299
BaseRepresentation
bin1001000110101010100001…
…11010101010011010010001
32121212220122011120000200110
410203111100322222122101
510111002332212401001
6110325053012511533
74134261136151562
oct443252072523221
977786564500613
1020020200122001
116419579052742
1222b407061b5a9
13b22b87289351
144d2da8d58169
1524ab884823d6
hex123550eaa691

20020200122001 has 16 divisors (see below), whose sum is σ = 26859225888000. Its totient is φ = 13264078883088.

The previous prime is 20020200121969. The next prime is 20020200122009. The reversal of 20020200122001 is 10022100202002.

It is not a de Polignac number, because 20020200122001 - 25 = 20020200121969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020200122009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10583451 + ... + 12330848.

It is an arithmetic number, because the mean of its divisors is an integer number (1678701618000).

Almost surely, 220020200122001 is an apocalyptic number.

It is an amenable number.

20020200122001 is a deficient number, since it is larger than the sum of its proper divisors (6839025765999).

20020200122001 is a wasteful number, since it uses less digits than its factorization.

20020200122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22916108.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020200122001 its reverse (10022100202002), we get a palindrome (30042300324003).

The spelling of 20020200122001 in words is "twenty trillion, twenty billion, two hundred million, one hundred twenty-two thousand, one".

Divisors: 1 3 179 537 1627 4881 291233 873699 22914299 68742897 4101659521 12304978563 37281564473 111844693419 6673400040667 20020200122001