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20114995 = 5172310289
BaseRepresentation
bin100110010111…
…0111000110011
31101211221120211
41030232320303
520122134440
61555044551
7332655205
oct114567063
941757524
1020114995
111039976a
1268a0757
134223884
142958775
151b74eea
hex132ee33

20114995 has 16 divisors (see below), whose sum is σ = 26671680. Its totient is φ = 14485504.

The previous prime is 20114993. The next prime is 20115023. The reversal of 20114995 is 59941102.

It is a cyclic number.

It is not a de Polignac number, because 20114995 - 21 = 20114993 is a prime.

It is a super-2 number, since 2×201149952 = 809226047700050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20114993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3190 + ... + 7099.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 220114995 is an apocalyptic number.

20114995 is a deficient number, since it is larger than the sum of its proper divisors (6556685).

20114995 is a wasteful number, since it uses less digits than its factorization.

20114995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10334.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 20114995 is about 4484.9743589011. The cubic root of 20114995 is about 271.9610085039.

The spelling of 20114995 in words is "twenty million, one hundred fourteen thousand, nine hundred ninety-five".

Divisors: 1 5 17 23 85 115 391 1955 10289 51445 174913 236647 874565 1183235 4022999 20114995