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20325213005 = 517534799419
BaseRepresentation
bin10010111011011110…
…100010001101001101
31221110111110210121212
4102323132202031031
5313111223304010
613200503504205
71316451313526
oct227336421515
957414423555
1020325213005
1186900643a9
123b32a58065
131bbbb92876
14dab57d84d
157de5aa505
hex4bb7a234d

20325213005 has 32 divisors (see below), whose sum is σ = 26369971200. Its totient is φ = 14982003712.

The previous prime is 20325213001. The next prime is 20325213031. The reversal of 20325213005 is 50031252302.

It is not a de Polignac number, because 20325213005 - 22 = 20325213001 is a prime.

It is a super-2 number, since 2×203252130052 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20325213001) 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 31 ways as a sum of consecutive naturals, for example, 2153186 + ... + 2162604.

It is an arithmetic number, because the mean of its divisors is an integer number (824061600).

Almost surely, 220325213005 is an apocalyptic number.

It is an amenable number.

20325213005 is a deficient number, since it is larger than the sum of its proper divisors (6044758195).

20325213005 is a wasteful number, since it uses less digits than its factorization.

20325213005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9973.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 20325213005 its reverse (50031252302), we get a palindrome (70356465307).

The spelling of 20325213005 in words is "twenty billion, three hundred twenty-five million, two hundred thirteen thousand, five".

Divisors: 1 5 17 53 85 265 479 901 2395 4505 8143 9419 25387 40715 47095 126935 160123 431579 499207 800615 2157895 2496035 4511701 8486519 22558505 42432595 76698917 239120153 383494585 1195600765 4065042601 20325213005