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20670088 = 2371151241
BaseRepresentation
bin100111011011…
…0011010001000
31102220011000211
41032312122020
520242420323
62015010504
7340456435
oct116663210
942804024
1020670088
111073881a
126b09a34
13438942a
142a60b8c
151c3470d
hex13b6688

20670088 has 32 divisors (see below), whose sum is σ = 39726720. Its totient is φ = 10080000.

The previous prime is 20670061. The next prime is 20670137. The reversal of 20670088 is 88007602.

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, 85648 + ... + 85888.

It is an arithmetic number, because the mean of its divisors is an integer number (1241460).

Almost surely, 220670088 is an apocalyptic number.

It is an amenable number.

20670088 is a deficient number, since it is larger than the sum of its proper divisors (19056632).

20670088 is a wasteful number, since it uses less digits than its factorization.

20670088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 20670088 is about 4546.4368465866. The cubic root of 20670088 is about 274.4400197193.

The spelling of 20670088 in words is "twenty million, six hundred seventy thousand, eighty-eight".

Divisors: 1 2 4 8 71 142 151 241 284 302 482 568 604 964 1208 1928 10721 17111 21442 34222 36391 42884 68444 72782 85768 136888 145564 291128 2583761 5167522 10335044 20670088