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20102010201222 = 233790549595501
BaseRepresentation
bin1001001001000010111010…
…01011010110010010000110
32122011201210122122122120120
410210201131023112102012
510113322404102414342
6110430422550442410
74143215360310225
oct444413513262206
978151718578516
1020102010201222
11645023a778064
122307aa2663406
13b2a7c43ccb51
144d6d2a270cbc
1524cd757eaaec
hex12485d2d6486

20102010201222 has 16 divisors (see below), whose sum is σ = 41290615548912. Its totient is φ = 6519570876000.

The previous prime is 20102010201209. The next prime is 20102010201223. The reversal of 20102010201222 is 22210201020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102010201223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45274797529 + ... + 45274797972.

It is an arithmetic number, because the mean of its divisors is an integer number (2580663471807).

Almost surely, 220102010201222 is an apocalyptic number.

20102010201222 is an abundant number, since it is smaller than the sum of its proper divisors (21188605347690).

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

20102010201222 is a wasteful number, since it uses less digits than its factorization.

20102010201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90549595543.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20102010201222 its reverse (22210201020102), we get a palindrome (42312211221324).

The spelling of 20102010201222 in words is "twenty trillion, one hundred two billion, ten million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 37 74 111 222 90549595501 181099191002 271648786503 543297573006 3350335033537 6700670067074 10051005100611 20102010201222