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20200232 = 2313267223
BaseRepresentation
bin100110100001…
…1101100101000
31102000021111202
41031003230220
520132401412
62000543332
7333461543
oct115035450
942007452
1020200232
1110447808
126921b48
134253600
14297b85a
151b903c2
hex1343b28

20200232 has 48 divisors (see below), whose sum is σ = 41811840. Its totient is φ = 9142848.

The previous prime is 20200223. The next prime is 20200237. The reversal of 20200232 is 23200202.

It is not an unprimeable number, because it can be changed into a prime (20200237) 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, 90473 + ... + 90695.

It is an arithmetic number, because the mean of its divisors is an integer number (871080).

Almost surely, 220200232 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 20200232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20905920).

20200232 is an abundant number, since it is smaller than the sum of its proper divisors (21611608).

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

20200232 is a wasteful number, since it uses less digits than its factorization.

20200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 20200232 is about 4494.4668204360. The cubic root of 20200232 is about 272.3446107883.

Adding to 20200232 its reverse (23200202), we get a palindrome (43400434).

The spelling of 20200232 in words is "twenty million, two hundred thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 67 104 134 169 223 268 338 446 536 676 871 892 1352 1742 1784 2899 3484 5798 6968 11323 11596 14941 22646 23192 29882 37687 45292 59764 75374 90584 119528 150748 194233 301496 388466 776932 1553864 2525029 5050058 10100116 20200232