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20322122210 = 25131933672207
BaseRepresentation
bin10010111011010010…
…101111100111100010
31221110021122202211222
4102323102233213202
5313104430402320
613200313335042
71316413121465
oct227322574742
957407582758
1020322122210
118689343225
123b31a07482
131bbb34cab0
14daadb72dc
157de199825
hex4bb4af9e2

20322122210 has 64 divisors (see below), whose sum is σ = 39723651072. Its totient is φ = 7440961536.

The previous prime is 20322122189. The next prime is 20322122221. The reversal of 20322122210 is 1222122302.

It is a super-2 number, since 2×203221222102 (a number of 21 digits) contains 22 as substring.

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, 9206927 + ... + 9209133.

It is an arithmetic number, because the mean of its divisors is an integer number (620682048).

Almost surely, 220322122210 is an apocalyptic number.

20322122210 is a deficient number, since it is larger than the sum of its proper divisors (19401528862).

20322122210 is a wasteful number, since it uses less digits than its factorization.

20322122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20322122210 its reverse (1222122302), we get a palindrome (21544244512).

The spelling of 20322122210 in words is "twenty billion, three hundred twenty-two million, one hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 193 367 386 734 965 1835 1930 2207 2509 3670 4414 4771 5018 9542 11035 12545 22070 23855 25090 28691 47710 57382 70831 141662 143455 286910 354155 425951 708310 809969 851902 920803 1619938 1841606 2129755 4049845 4259510 4604015 5537363 8099690 9208030 10529597 11074726 21059194 27686815 52647985 55373630 105295970 156324017 312648034 781620085 1563240170 2032212221 4064424442 10161061105 20322122210