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20320202110 = 25131817691123
BaseRepresentation
bin10010111011001011…
…011010110101111110
31221110011001012222011
4102323023122311332
5313103432431420
613200204241434
71316360603515
oct227313326576
957404035864
1020320202110
11868825166a
123b3124027a
131bbab29b40
14daaa3767c
157dde1a95a
hex4bb2dad7e

20320202110 has 64 divisors (see below), whose sum is σ = 39694374720. Its totient is φ = 7445053440.

The previous prime is 20320202101. The next prime is 20320202129. The reversal of 20320202110 is 1120202302.

It is a super-2 number, since 2×203202021102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18094009 + ... + 18095131.

It is an arithmetic number, because the mean of its divisors is an integer number (620224605).

Almost surely, 220320202110 is an apocalyptic number.

20320202110 is a deficient number, since it is larger than the sum of its proper divisors (19374172610).

20320202110 is a wasteful number, since it uses less digits than its factorization.

20320202110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20320202110 its reverse (1120202302), we get a palindrome (21440404412).

The spelling of 20320202110 in words is "twenty billion, three hundred twenty million, two hundred two thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 181 362 769 905 1123 1538 1810 2246 2353 3845 4706 5615 7690 9997 11230 11765 14599 19994 23530 29198 49985 72995 99970 139189 145990 203263 278378 406526 695945 863587 1016315 1391890 1727174 1809457 2032630 2642419 3618914 4317935 5284838 8635870 9047285 11226631 13212095 18094570 22453262 26424190 56133155 112266310 156309247 312618494 781546235 1563092470 2032020211 4064040422 10160101055 20320202110