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20200352 = 251771523
BaseRepresentation
bin100110100001…
…1101110100000
31102000021200012
41031003232200
520132402402
62000544052
7333462104
oct115035640
942007605
1020200352
1110447907
126922028
134253693
14297b904
151b90452
hex1343ba0

20200352 has 48 divisors (see below), whose sum is σ = 42783552. Its totient is φ = 9354240.

The previous prime is 20200343. The next prime is 20200387. The reversal of 20200352 is 25300202.

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, 38363 + ... + 38885.

It is an arithmetic number, because the mean of its divisors is an integer number (891324).

Almost surely, 220200352 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 20200352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21391776).

20200352 is an abundant number, since it is smaller than the sum of its proper divisors (22583200).

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

20200352 is a wasteful number, since it uses less digits than its factorization.

20200352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 20200352 is about 4494.4801701643. The cubic root of 20200352 is about 272.3451500773.

Adding to 20200352 its reverse (25300202), we get a palindrome (45500554).

The spelling of 20200352 in words is "twenty million, two hundred thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 17 32 34 68 71 136 142 272 284 523 544 568 1046 1136 1207 2092 2272 2414 4184 4828 8368 8891 9656 16736 17782 19312 35564 37133 38624 71128 74266 142256 148532 284512 297064 594128 631261 1188256 1262522 2525044 5050088 10100176 20200352