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2020222112201 = 8907122681031
BaseRepresentation
bin11101011001011110100…
…111110001000111001001
321011010112202022120212122
4131121132213301013021
5231044403330042301
64144024403021025
7265645662423266
oct35313647610711
97133482276778
102020222112201
11709853796007
1228764836a775
13118676c68c37
146daca47226d
153783d4be81b
hex1d65e9f11c9

2020222112201 has 4 divisors (see below), whose sum is σ = 2020244882304. Its totient is φ = 2020199342100.

The previous prime is 2020222112197. The next prime is 2020222112203. The reversal of 2020222112201 is 1022112220202.

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 2020222112201 - 22 = 2020222112197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020222112201.

It is not an unprimeable number, because it can be changed into a prime (2020222112203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11251445 + ... + 11429586.

It is an arithmetic number, because the mean of its divisors is an integer number (505061220576).

Almost surely, 22020222112201 is an apocalyptic number.

It is an amenable number.

2020222112201 is a deficient number, since it is larger than the sum of its proper divisors (22770103).

2020222112201 is an equidigital number, since it uses as much as digits as its factorization.

2020222112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22770102.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2020222112201 its reverse (1022112220202), we get a palindrome (3042334332403).

The spelling of 2020222112201 in words is "two trillion, twenty billion, two hundred twenty-two million, one hundred twelve thousand, two hundred one".

Divisors: 1 89071 22681031 2020222112201