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2020201301 = 18379109919
BaseRepresentation
bin111100001101001…
…1101001101010101
312012210100212012102
41320122131031111
513114132420201
6532243531445
7101030266466
oct17032351525
95183325172
102020201301
11947395158
12484689b85
132626cb2b1
14152436d6d
15bc55326b
hex7869d355

2020201301 has 4 divisors (see below), whose sum is σ = 2020329600. Its totient is φ = 2020073004.

The previous prime is 2020201289. The next prime is 2020201321. The reversal of 2020201301 is 1031020202.

Adding to 2020201301 its reverse (1031020202), we get a palindrome (3051221503).

It can be divided in two parts, 2020201 and 301, that multiplied together give a triangular number (608080501 = T34873).

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020201301 - 218 = 2019939157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020201321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36581 + ... + 73338.

It is an arithmetic number, because the mean of its divisors is an integer number (505082400).

Almost surely, 22020201301 is an apocalyptic number.

It is an amenable number.

2020201301 is a deficient number, since it is larger than the sum of its proper divisors (128299).

2020201301 is a wasteful number, since it uses less digits than its factorization.

2020201301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128298.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2020201301 is about 44946.6494969314. The cubic root of 2020201301 is about 1264.1488545536.

The spelling of 2020201301 in words is "two billion, twenty million, two hundred one thousand, three hundred one".

Divisors: 1 18379 109919 2020201301