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20000192 = 264761109
BaseRepresentation
bin100110001001…
…0110111000000
31101122010002212
41030102313000
520110001232
61552401252
7331666412
oct114226700
941563085
1020000192
1110320493
126846228
1341b3544
1429289b2
151b50eb2
hex1312dc0

20000192 has 56 divisors (see below), whose sum is σ = 41574720. Its totient is φ = 9538560.

The previous prime is 20000171. The next prime is 20000213. The reversal of 20000192 is 29100002.

It is an interprime number because it is at equal distance from previous prime (20000171) and next prime (20000213).

It is a congruent number.

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, 183434 + ... + 183542.

Almost surely, 220000192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20787360).

20000192 is an abundant number, since it is smaller than the sum of its proper divisors (21574528).

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

20000192 is a wasteful number, since it uses less digits than its factorization.

20000192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 20000192 is about 4472.1574212006. The cubic root of 20000192 is about 271.4426302703.

Adding to 20000192 its reverse (29100002), we get a palindrome (49100194).

The spelling of 20000192 in words is "twenty million, one hundred ninety-two", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 47 61 64 94 109 122 188 218 244 376 436 488 752 872 976 1504 1744 1952 2867 3008 3488 3904 5123 5734 6649 6976 10246 11468 13298 20492 22936 26596 40984 45872 53192 81968 91744 106384 163936 183488 212768 312503 327872 425536 625006 1250012 2500024 5000048 10000096 20000192