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20220404245 = 54943818143
BaseRepresentation
bin10010110101001110…
…101110001000010101
31221012012020222000221
4102311032232020111
5312402410413440
613142241234341
71314036412606
oct226516561025
957165228027
1020220404245
118636988a98
123b039329b1
131ba3257352
14d9b699dad
157d52a5d4a
hex4b53ae215

20220404245 has 8 divisors (see below), whose sum is σ = 24269423616. Its totient is φ = 16173031056.

The previous prime is 20220404203. The next prime is 20220404279. The reversal of 20220404245 is 54240402202.

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 20220404245 - 29 = 20220403733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 384357 + ... + 433786.

It is an arithmetic number, because the mean of its divisors is an integer number (3033677952).

Almost surely, 220220404245 is an apocalyptic number.

It is an amenable number.

20220404245 is a deficient number, since it is larger than the sum of its proper divisors (4049019371).

20220404245 is an equidigital number, since it uses as much as digits as its factorization.

20220404245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823091.

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 20220404245 its reverse (54240402202), we get a palindrome (74460806447).

The spelling of 20220404245 in words is "twenty billion, two hundred twenty million, four hundred four thousand, two hundred forty-five".

Divisors: 1 5 4943 24715 818143 4090715 4044080849 20220404245