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20220035545 = 529139448521
BaseRepresentation
bin10010110101001101…
…010100000111011001
31221012011120020021101
4102311031110013121
5312402312114140
613142225311401
71314033315643
oct226515240731
957164506241
1020220035545
118636756a86
123b03795561
131ba3158598
14d9b601893
157d523199a
hex4b53541d9

20220035545 has 8 divisors (see below), whose sum is σ = 25100733960. Its totient is φ = 15618234240.

The previous prime is 20220035509. The next prime is 20220035551. The reversal of 20220035545 is 54553002202.

It can be written as a sum of positive squares in 4 ways, for example, as 5314555801 + 14905479744 = 72901^2 + 122088^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20220035545 - 211 = 20220033497 is a prime.

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, 69724116 + ... + 69724405.

It is an arithmetic number, because the mean of its divisors is an integer number (3137591745).

Almost surely, 220220035545 is an apocalyptic number.

It is an amenable number.

20220035545 is a deficient number, since it is larger than the sum of its proper divisors (4880698415).

20220035545 is a wasteful number, since it uses less digits than its factorization.

20220035545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139448555.

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 20220035545 its reverse (54553002202), we get a palindrome (74773037747).

The spelling of 20220035545 in words is "twenty billion, two hundred twenty million, thirty-five thousand, five hundred forty-five".

Divisors: 1 5 29 145 139448521 697242605 4044007109 20220035545