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20221220095 = 5177316319993
BaseRepresentation
bin10010110101010001…
…110101010011111111
31221012020210102011121
4102311101311103333
5312403113020340
613142310531411
71314046351306
oct226521652377
957166712147
1020221220095
118637395a4a
123b04066b67
131ba34817bb
14d9b82d43d
157d53b794a
hex4b54754ff

20221220095 has 32 divisors (see below), whose sum is σ = 26205895872. Its totient is φ = 14923948032.

The previous prime is 20221220093. The next prime is 20221220143. The reversal of 20221220095 is 59002212202.

It is not a de Polignac number, because 20221220095 - 21 = 20221220093 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 (20221220093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1001419 + ... + 1021411.

It is an arithmetic number, because the mean of its divisors is an integer number (818934246).

Almost surely, 220221220095 is an apocalyptic number.

20221220095 is a deficient number, since it is larger than the sum of its proper divisors (5984675777).

20221220095 is a wasteful number, since it uses less digits than its factorization.

20221220095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20251.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 20221220095 its reverse (59002212202), we get a palindrome (79223432297).

The spelling of 20221220095 in words is "twenty billion, two hundred twenty-one million, two hundred twenty thousand, ninety-five".

Divisors: 1 5 17 73 85 163 365 815 1241 2771 6205 11899 13855 19993 59495 99965 202283 339881 1011415 1459489 1699405 3258859 7297445 16294295 24811313 55400603 124056565 237896707 277003015 1189483535 4044244019 20221220095