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20224960 = 26579029
BaseRepresentation
bin100110100100…
…1101111000000
31102001112102121
41031021233000
520134144320
62001254024
7333623620
oct115115700
942045377
1020224960
1110464348
126934314
134261942
142986880
151b978aa
hex1349bc0

20224960 has 56 divisors (see below), whose sum is σ = 55046880. Its totient is φ = 6933504.

The previous prime is 20224957. The next prime is 20224991. The reversal of 20224960 is 6942202.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2275 + ... + 6754.

It is an arithmetic number, because the mean of its divisors is an integer number (982980).

Almost surely, 220224960 is an apocalyptic number.

20224960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20224960 is an abundant number, since it is smaller than the sum of its proper divisors (34821920).

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

20224960 is an equidigital number, since it uses as much as digits as its factorization.

20224960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053 (or 9043 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20224960 is about 4497.2169171611. The cubic root of 20224960 is about 272.4556951790.

The spelling of 20224960 in words is "twenty million, two hundred twenty-four thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 9029 18058 36116 45145 63203 72232 90290 126406 144464 180580 252812 288928 316015 361160 505624 577856 632030 722320 1011248 1264060 1444640 2022496 2528120 2889280 4044992 5056240 10112480 20224960