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20200524251 = 532631449209
BaseRepresentation
bin10010110100000010…
…111000100111011011
31221010210211221210212
4102310002320213123
5312332313234001
613140251201335
71313405423465
oct226402704733
957123757725
1020200524251
11862673a946
123ab914624b
131b9c0b673b
14d98ba3135
157d367a7bb
hex4b40b89db

20200524251 has 8 divisors (see below), whose sum is σ = 20659937760. Its totient is φ = 19744009792.

The previous prime is 20200524161. The next prime is 20200524259. The reversal of 20200524251 is 15242500202.

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

It is a cyclic number.

It is not a de Polignac number, because 20200524251 - 218 = 20200262107 is a prime.

It is a super-2 number, since 2×202005242512 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200524259) 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 7 ways as a sum of consecutive naturals, for example, 710666 + ... + 738543.

It is an arithmetic number, because the mean of its divisors is an integer number (2582492220).

Almost surely, 220200524251 is an apocalyptic number.

20200524251 is a deficient number, since it is larger than the sum of its proper divisors (459413509).

20200524251 is a wasteful number, since it uses less digits than its factorization.

20200524251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449525.

The product of its (nonzero) digits is 1600, while the sum is 23.

The spelling of 20200524251 in words is "twenty billion, two hundred million, five hundred twenty-four thousand, two hundred fifty-one".

Divisors: 1 53 263 13939 1449209 76808077 381141967 20200524251