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20318068 = 2219833221
BaseRepresentation
bin100110110000…
…0011101110100
31102020021011001
41031200131310
520200134233
62003253044
7334462231
oct115403564
942207131
1020318068
11105182a1
12697a184
134295134
1429ac788
151bb527d
hex1360774

20318068 has 24 divisors (see below), whose sum is σ = 37890720. Its totient is φ = 9505440.

The previous prime is 20318057. The next prime is 20318093. The reversal of 20318068 is 86081302.

It is a congruent number.

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, 4698 + ... + 7918.

It is an arithmetic number, because the mean of its divisors is an integer number (1578780).

Almost surely, 220318068 is an apocalyptic number.

It is an amenable number.

20318068 is a deficient number, since it is larger than the sum of its proper divisors (17572652).

20318068 is a wasteful number, since it uses less digits than its factorization.

20318068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327 (or 3325 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 20318068 is about 4507.5567661428. The cubic root of 20318068 is about 272.8731492592.

The spelling of 20318068 in words is "twenty million, three hundred eighteen thousand, sixty-eight".

Divisors: 1 2 4 19 38 76 83 166 332 1577 3154 3221 6308 6442 12884 61199 122398 244796 267343 534686 1069372 5079517 10159034 20318068