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20322110220 = 2235383887997
BaseRepresentation
bin10010111011010010…
…101100101100001100
31221110021122011101220
4102323102230230030
5313104430011340
613200313203340
71316413041516
oct227322545414
957407564356
1020322110220
118689335215
123b31a00550
131bbb3474b9
14daadb2bb6
157de195ed0
hex4bb4acb0c

20322110220 has 96 divisors (see below), whose sum is σ = 57172082688. Its totient is φ = 5393571072.

The previous prime is 20322110219. The next prime is 20322110239. The reversal of 20322110220 is 2201122302.

It is a happy number.

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 20322110220.

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 31 ways as a sum of consecutive naturals, for example, 20382762 + ... + 20383758.

It is an arithmetic number, because the mean of its divisors is an integer number (595542528).

Almost surely, 220322110220 is an apocalyptic number.

20322110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322110220 is an abundant number, since it is smaller than the sum of its proper divisors (36849972468).

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

20322110220 is a wasteful number, since it uses less digits than its factorization.

20322110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2277 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20322110220 its reverse (2201122302), we get a palindrome (22523232522).

The spelling of 20322110220 in words is "twenty billion, three hundred twenty-two million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 383 766 887 997 1149 1532 1774 1915 1994 2298 2661 2991 3548 3830 3988 4435 4596 4985 5322 5745 5982 7660 8870 9970 10644 11490 11964 13305 14955 17740 19940 22980 26610 29910 53220 59820 339721 381851 679442 763702 884339 1019163 1145553 1358884 1527404 1698605 1768678 1909255 2038326 2291106 2653017 3397210 3537356 3818510 4076652 4421695 4582212 5095815 5306034 5727765 6794420 7637020 8843390 10191630 10612068 11455530 13265085 17686780 20383260 22911060 26530170 53060340 338701837 677403674 1016105511 1354807348 1693509185 2032211022 3387018370 4064422044 5080527555 6774036740 10161055110 20322110220