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20025359 = 97206447
BaseRepresentation
bin100110001100…
…1000000001111
31101200101121222
41030121000033
520111302414
61553113555
7332132654
oct114310017
941611558
1020025359
1110338392
1268588bb
1341c1b33
142933c2b
151b5868e
hex131900f

20025359 has 4 divisors (see below), whose sum is σ = 20231904. Its totient is φ = 19818816.

The previous prime is 20025353. The next prime is 20025391. The reversal of 20025359 is 95352002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20025359 - 212 = 20021263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103127 + ... + 103320.

It is an arithmetic number, because the mean of its divisors is an integer number (5057976).

Almost surely, 220025359 is an apocalyptic number.

20025359 is a deficient number, since it is larger than the sum of its proper divisors (206545).

20025359 is an equidigital number, since it uses as much as digits as its factorization.

20025359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206544.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 20025359 is about 4474.9702792309. The cubic root of 20025359 is about 271.5564380657.

The spelling of 20025359 in words is "twenty million, twenty-five thousand, three hundred fifty-nine".

Divisors: 1 97 206447 20025359