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20954200 = 2352176163
BaseRepresentation
bin100111111101…
…1110001011000
31110102120202111
41033323301120
520331013300
62025042104
7343051651
oct117736130
943376674
1020954200
1110912223
127026334
134458847
142ad6528
151c8d9ba
hex13fbc58

20954200 has 48 divisors (see below), whose sum is σ = 51592680. Its totient is φ = 7887360.

The previous prime is 20954191. The next prime is 20954209. The reversal of 20954200 is 245902.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20954191) and next prime (20954209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20954209) 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, 319 + ... + 6481.

Almost surely, 220954200 is an apocalyptic number.

20954200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20954200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25796340).

20954200 is an abundant number, since it is smaller than the sum of its proper divisors (30638480).

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

20954200 is a wasteful number, since it uses less digits than its factorization.

20954200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6196 (or 6187 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 20954200 is about 4577.5757776360. The cubic root of 20954200 is about 275.6917022420.

The spelling of 20954200 in words is "twenty million, nine hundred fifty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 136 170 200 340 425 680 850 1700 3400 6163 12326 24652 30815 49304 61630 104771 123260 154075 209542 246520 308150 419084 523855 616300 838168 1047710 1232600 2095420 2619275 4190840 5238550 10477100 20954200