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20024199 = 331389641
BaseRepresentation
bin100110001100…
…0101110000111
31101200100001000
41030120232013
520111233244
61553104343
7332126406
oct114305607
941610030
1020024199
1110337528
1268580b3
1341c1450
14293363d
151b58169
hex1318b87

20024199 has 32 divisors (see below), whose sum is σ = 32356800. Its totient is φ = 12165120.

The previous prime is 20024177. The next prime is 20024219. The reversal of 20024199 is 99142002.

It is not a de Polignac number, because 20024199 - 25 = 20024167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30919 + ... + 31559.

It is an arithmetic number, because the mean of its divisors is an integer number (1011150).

Almost surely, 220024199 is an apocalyptic number.

20024199 is a deficient number, since it is larger than the sum of its proper divisors (12332601).

20024199 is a wasteful number, since it uses less digits than its factorization.

20024199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 20024199 is about 4474.8406675545. The cubic root of 20024199 is about 271.5511945218.

The spelling of 20024199 in words is "twenty million, twenty-four thousand, one hundred ninety-nine".

Divisors: 1 3 9 13 27 39 89 117 267 351 641 801 1157 1923 2403 3471 5769 8333 10413 17307 24999 31239 57049 74997 171147 224991 513441 741637 1540323 2224911 6674733 20024199