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20676700 = 22521118797
BaseRepresentation
bin100111011100…
…0000001011100
31102220111002201
41032320001130
520243123300
62015101244
7340514632
oct116700134
942814081
1020676700
1110742790
126b11824
13438c445
142a63352
151c3666a
hex13b805c

20676700 has 36 divisors (see below), whose sum is σ = 48949992. Its totient is φ = 7518400.

The previous prime is 20676683. The next prime is 20676703. The reversal of 20676700 is 767602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20676703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8299 + ... + 10498.

It is an arithmetic number, because the mean of its divisors is an integer number (1359722).

Almost surely, 220676700 is an apocalyptic number.

20676700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20676700 is an abundant number, since it is smaller than the sum of its proper divisors (28273292).

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

20676700 is a wasteful number, since it uses less digits than its factorization.

20676700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18822 (or 18815 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 20676700 is about 4547.1639512998. The cubic root of 20676700 is about 274.4692794554.

The spelling of 20676700 in words is "twenty million, six hundred seventy-six thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 18797 37594 75188 93985 187970 206767 375940 413534 469925 827068 939850 1033835 1879700 2067670 4135340 5169175 10338350 20676700