Search a number
-
+
22020011201 = 79278734319
BaseRepresentation
bin10100100000011111…
…101011010011000001
32002211121112110200102
4110200133223103001
5330044110324301
614041005132145
71406451002246
oct244037532301
962747473612
1022020011201
11937a7a4371
12432655a055
1320cc03a536
1410cc6ad5cd
1588d282b6b
hex5207eb4c1

22020011201 has 4 divisors (see below), whose sum is σ = 22298745600. Its totient is φ = 21741276804.

The previous prime is 22020011191. The next prime is 22020011203. The reversal of 22020011201 is 10211002022.

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 22020011201 - 222 = 22015816897 is a prime.

It is a super-3 number, since 3×220200112013 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020011203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139367081 + ... + 139367238.

It is an arithmetic number, because the mean of its divisors is an integer number (5574686400).

Almost surely, 222020011201 is an apocalyptic number.

It is an amenable number.

22020011201 is a deficient number, since it is larger than the sum of its proper divisors (278734399).

22020011201 is an equidigital number, since it uses as much as digits as its factorization.

22020011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278734398.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22020011201 its reverse (10211002022), we get a palindrome (32231013223).

The spelling of 22020011201 in words is "twenty-two billion, twenty million, eleven thousand, two hundred one".

Divisors: 1 79 278734319 22020011201