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20700995 = 57591457
BaseRepresentation
bin100111011110…
…1111101000011
31102221201102112
41032331331003
520244412440
62015405535
7340645520
oct116757503
942851375
1020700995
1110759a67
126b238ab
13439a513
142a6c147
151c3d965
hex13bdf43

20700995 has 8 divisors (see below), whose sum is σ = 28389984. Its totient is φ = 14194944.

The previous prime is 20700961. The next prime is 20701001. The reversal of 20700995 is 59900702.

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 20700995 - 28 = 20700739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295694 + ... + 295763.

It is an arithmetic number, because the mean of its divisors is an integer number (3548748).

Almost surely, 220700995 is an apocalyptic number.

20700995 is a deficient number, since it is larger than the sum of its proper divisors (7688989).

20700995 is an equidigital number, since it uses as much as digits as its factorization.

20700995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591469.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 20700995 is about 4549.8346123788. The cubic root of 20700995 is about 274.5767373047.

The spelling of 20700995 in words is "twenty million, seven hundred thousand, nine hundred ninety-five".

Divisors: 1 5 7 35 591457 2957285 4140199 20700995