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20221440301 = 412811755181
BaseRepresentation
bin10010110101010010…
…101011000100101101
31221012021012121020101
4102311102223010231
5312403142042201
613142315351101
71314051256306
oct226522530455
957167177211
1020221440301
118637526437
123b04152491
131ba352aaba
14d9b8897ad
157d540cd01
hex4b54ab12d

20221440301 has 8 divisors (see below), whose sum is σ = 20788375608. Its totient is φ = 19658016000.

The previous prime is 20221440241. The next prime is 20221440389. The reversal of 20221440301 is 10304412202.

It can be written as a sum of positive squares in 4 ways, for example, as 50055625 + 20171384676 = 7075^2 + 142026^2 .

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 20221440301 - 223 = 20213051693 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 (20221440601) 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 7 ways as a sum of consecutive naturals, for example, 866070 + ... + 889111.

It is an arithmetic number, because the mean of its divisors is an integer number (2598546951).

Almost surely, 220221440301 is an apocalyptic number.

It is an amenable number.

20221440301 is a deficient number, since it is larger than the sum of its proper divisors (566935307).

20221440301 is a wasteful number, since it uses less digits than its factorization.

20221440301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755503.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20221440301 its reverse (10304412202), we get a palindrome (30525852503).

The spelling of 20221440301 in words is "twenty billion, two hundred twenty-one million, four hundred forty thousand, three hundred one".

Divisors: 1 41 281 11521 1755181 71962421 493205861 20221440301