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20204514 = 23211102043
BaseRepresentation
bin100110100010…
…0101111100010
31102000111101100
41031010233202
520133021024
62001015230
7333510201
oct115045742
942014340
1020204514
111044aa50
126924516
134255545
14297d238
151b917c9
hex1344be2

20204514 has 24 divisors (see below), whose sum is σ = 47756592. Its totient is φ = 6122520.

The previous prime is 20204477. The next prime is 20204519. The reversal of 20204514 is 41540202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20204519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50824 + ... + 51219.

It is an arithmetic number, because the mean of its divisors is an integer number (1989858).

Almost surely, 220204514 is an apocalyptic number.

20204514 is an abundant number, since it is smaller than the sum of its proper divisors (27552078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20204514 is a wasteful number, since it uses less digits than its factorization.

20204514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102062 (or 102059 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 20204514 is about 4494.9431587062. The cubic root of 20204514 is about 272.3638530959.

Adding to 20204514 its reverse (41540202), we get a palindrome (61744716).

The spelling of 20204514 in words is "twenty million, two hundred four thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 102043 204086 306129 612258 918387 1122473 1836774 2244946 3367419 6734838 10102257 20204514