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20606264 = 237252567
BaseRepresentation
bin100111010011…
…0110100111000
31102202220110222
41032212310320
520233400024
62013355212
7340102400
oct116466470
942686428
1020606264
11106a4878
126a98b08
134366373
142a45800
151c2085e
hex13a6d38

20606264 has 24 divisors (see below), whose sum is σ = 44945640. Its totient is φ = 8831088.

The previous prime is 20606237. The next prime is 20606273. The reversal of 20606264 is 46260602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25892 + ... + 26675.

It is an arithmetic number, because the mean of its divisors is an integer number (1872735).

Almost surely, 220606264 is an apocalyptic number.

It is an amenable number.

20606264 is an abundant number, since it is smaller than the sum of its proper divisors (24339376).

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

20606264 is a wasteful number, since it uses less digits than its factorization.

20606264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52587 (or 52576 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20606264 is about 4539.4122967627. The cubic root of 20606264 is about 274.1572613845.

Adding to 20606264 its reverse (46260602), we get a palindrome (66866866).

The spelling of 20606264 in words is "twenty million, six hundred six thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 52567 105134 210268 367969 420536 735938 1471876 2575783 2943752 5151566 10303132 20606264