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20220032310 = 2351086162057
BaseRepresentation
bin10010110101001101…
…010011010100110110
31221012011120001211120
4102311031103110312
5312402312013220
613142225244410
71314033303342
oct226515232466
957164501746
1020220032310
118636754605
123b03793706
131ba3156c7a
14d9b600622
157d5230a40
hex4b5353536

20220032310 has 32 divisors (see below), whose sum is σ = 48533327712. Its totient is φ = 5391425280.

The previous prime is 20220032303. The next prime is 20220032321. The reversal of 20220032310 is 1323002202.

It is a super-2 number, since 2×202200323102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20220032310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294802 + ... + 356858.

It is an arithmetic number, because the mean of its divisors is an integer number (1516666491).

Almost surely, 220220032310 is an apocalyptic number.

20220032310 is an abundant number, since it is smaller than the sum of its proper divisors (28313295402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20220032310 is a wasteful number, since it uses less digits than its factorization.

20220032310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72928.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20220032310 its reverse (1323002202), we get a palindrome (21543034512).

The spelling of 20220032310 in words is "twenty billion, two hundred twenty million, thirty-two thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 10861 21722 32583 54305 62057 65166 108610 124114 162915 186171 310285 325830 372342 620570 930855 1861710 674001077 1348002154 2022003231 3370005385 4044006462 6740010770 10110016155 20220032310