Search a number
-
+
2020201331321 = 19197539727847
BaseRepresentation
bin11101011001011101011…
…000011111101001111001
321011010111022012210212102
4131121131120133221321
5231044333020100241
64144022341353145
7265645320662525
oct35313530375171
97133438183772
102020201331321
11709842a92028
122876414087b5
13118672871264
146dac77c2d85
153783b76739b
hex1d65d61fa79

2020201331321 has 8 divisors (see below), whose sum is σ = 2137322278080. Its totient is φ = 1904159840688.

The previous prime is 2020201331299. The next prime is 2020201331341. The reversal of 2020201331321 is 1231331020202.

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

It is a cyclic number.

It is not a de Polignac number, because 2020201331321 - 26 = 2020201331257 is a prime.

It is a super-2 number, since 2×20202013313212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020201331293 and 2020201331302.

It is not an unprimeable number, because it can be changed into a prime (2020201331341) 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, 269860181 + ... + 269867666.

It is an arithmetic number, because the mean of its divisors is an integer number (267165284760).

Almost surely, 22020201331321 is an apocalyptic number.

It is an amenable number.

2020201331321 is a deficient number, since it is larger than the sum of its proper divisors (117120946759).

2020201331321 is a wasteful number, since it uses less digits than its factorization.

2020201331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539728063.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2020201331321 its reverse (1231331020202), we get a palindrome (3251532351523).

The spelling of 2020201331321 in words is "two trillion, twenty billion, two hundred one million, three hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 19 197 3743 539727847 10254829093 106326385859 2020201331321