Search a number
-
+
22020400301 = 26578287693
BaseRepresentation
bin10100100000100001…
…001010010010101101
32002211122021020102112
4110200201022102231
5330044210302201
614041021333405
71406454212534
oct244041122255
962748236375
1022020400301
11937aa3a739
124326707265
1320cc145683
1410cc77131b
1588d30d0bb
hex52084a4ad

22020400301 has 4 divisors (see below), whose sum is σ = 22028690652. Its totient is φ = 22012109952.

The previous prime is 22020400291. The next prime is 22020400327. The reversal of 22020400301 is 10300402022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14478346276 + 7542054025 = 120326^2 + 86845^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020400301 - 218 = 22020138157 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 (22020400331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141190 + ... + 4146503.

It is an arithmetic number, because the mean of its divisors is an integer number (5507172663).

Almost surely, 222020400301 is an apocalyptic number.

It is an amenable number.

22020400301 is a deficient number, since it is larger than the sum of its proper divisors (8290351).

22020400301 is an equidigital number, since it uses as much as digits as its factorization.

22020400301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8290350.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22020400301 its reverse (10300402022), we get a palindrome (32320802323).

The spelling of 22020400301 in words is "twenty-two billion, twenty million, four hundred thousand, three hundred one".

Divisors: 1 2657 8287693 22020400301