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20525507270 = 252052550727
BaseRepresentation
bin10011000111011010…
…100110001011000110
31221222110100210200222
4103013122212023012
5314014012213040
613232420504342
71324432635032
oct230732461306
957873323628
1020525507270
118783128454
123b89b4b0b2
131c21520a98
14dc9ddb1c2
15801e71bb5
hex4c76a62c6

20525507270 has 8 divisors (see below), whose sum is σ = 36945913104. Its totient is φ = 8210202904.

The previous prime is 20525507237. The next prime is 20525507273. The reversal of 20525507270 is 7270552502.

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 20525507270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20525507273) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1026275354 + ... + 1026275373.

It is an arithmetic number, because the mean of its divisors is an integer number (4618239138).

Almost surely, 220525507270 is an apocalyptic number.

20525507270 is a deficient number, since it is larger than the sum of its proper divisors (16420405834).

20525507270 is a wasteful number, since it uses less digits than its factorization.

20525507270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052550734.

The product of its (nonzero) digits is 49000, while the sum is 35.

The spelling of 20525507270 in words is "twenty billion, five hundred twenty-five million, five hundred seven thousand, two hundred seventy".

Divisors: 1 2 5 10 2052550727 4105101454 10262753635 20525507270