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20588230990 = 252058823099
BaseRepresentation
bin10011001011001001…
…110111100101001110
31222010211101111110201
4103023021313211032
5314131041342430
613242541124114
71326124035025
oct231311674516
958124344421
1020588230990
118805579738
123ba6b5963a
131c31512702
14dd44878bc
158077118ca
hex4cb27794e

20588230990 has 8 divisors (see below), whose sum is σ = 37058815800. Its totient is φ = 8235292392.

The previous prime is 20588230937. The next prime is 20588231113. The reversal of 20588230990 is 9903288502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20588230990.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1029411540 + ... + 1029411559.

It is an arithmetic number, because the mean of its divisors is an integer number (4632351975).

Almost surely, 220588230990 is an apocalyptic number.

20588230990 is a deficient number, since it is larger than the sum of its proper divisors (16470584810).

20588230990 is a wasteful number, since it uses less digits than its factorization.

20588230990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058823106.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 20588230990 in words is "twenty billion, five hundred eighty-eight million, two hundred thirty thousand, nine hundred ninety".

Divisors: 1 2 5 10 2058823099 4117646198 10294115495 20588230990