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20695004 = 22111932437
BaseRepresentation
bin100111011110…
…0011111011100
31102221102012122
41032330133130
520244220004
62015322112
7340622201
oct116743734
942842178
1020695004
1110755510
126b20338
134397885
142a69ca8
151c3bcbe
hex13bc7dc

20695004 has 24 divisors (see below), whose sum is σ = 39729648. Its totient is φ = 9354240.

The previous prime is 20694983. The next prime is 20695021. The reversal of 20695004 is 40059602.

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, 7274 + ... + 9710.

It is an arithmetic number, because the mean of its divisors is an integer number (1655402).

Almost surely, 220695004 is an apocalyptic number.

It is an amenable number.

20695004 is a deficient number, since it is larger than the sum of its proper divisors (19034644).

20695004 is a wasteful number, since it uses less digits than its factorization.

20695004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20695004 is about 4549.1761891578. The cubic root of 20695004 is about 274.5502466626.

The spelling of 20695004 in words is "twenty million, six hundred ninety-five thousand, four".

Divisors: 1 2 4 11 22 44 193 386 772 2123 2437 4246 4874 8492 9748 26807 53614 107228 470341 940682 1881364 5173751 10347502 20695004