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20220132331 = 737234133349
BaseRepresentation
bin10010110101001101…
…101011101111101011
31221012011202011001001
4102311031223233223
5312402323213311
613142231335431
71314034201060
oct226515535753
957164664031
1020220132331
118636812773
123b03821577
131ba3190659
14d9b628c67
157d52504c1
hex4b536bbeb

20220132331 has 16 divisors (see below), whose sum is σ = 23744132800. Its totient is φ = 16855413120.

The previous prime is 20220132281. The next prime is 20220132337. The reversal of 20220132331 is 13323102202.

It is not a de Polignac number, because 20220132331 - 225 = 20186577899 is a prime.

It is a super-2 number, since 2×202201323312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220132299 and 20220132308.

It is not an unprimeable number, because it can be changed into a prime (20220132337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589645 + ... + 622993.

It is an arithmetic number, because the mean of its divisors is an integer number (1484008300).

Almost surely, 220220132331 is an apocalyptic number.

20220132331 is a deficient number, since it is larger than the sum of its proper divisors (3524000469).

20220132331 is a wasteful number, since it uses less digits than its factorization.

20220132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35734.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20220132331 its reverse (13323102202), we get a palindrome (33543234533).

The spelling of 20220132331 in words is "twenty billion, two hundred twenty million, one hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 7 37 259 2341 16387 33349 86617 233443 606319 1233913 8637391 78070009 546490063 2888590333 20220132331