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20062208 = 2133179
BaseRepresentation
bin100110010001…
…0000000000000
31101202021011202
41030202000000
520113442313
61554000332
7332345255
oct114420000
941667152
1020062208
1110363041
1268760a8
13420583a
14294342c
151b64558
hex1322000

20062208 has 56 divisors (see below), whose sum is σ = 41940480. Its totient is φ = 9584640.

The previous prime is 20062201. The next prime is 20062223. The reversal of 20062208 is 80226002.

It is a self number, because there is not a number n which added to its sum of digits gives 20062208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20062201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253913 + ... + 253991.

Almost surely, 220062208 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 20062208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20970240).

20062208 is an abundant number, since it is smaller than the sum of its proper divisors (21878272).

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

20062208 is an frugal number, since it uses more digits than its factorization.

20062208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20062208 is about 4479.0856209722. The cubic root of 20062208 is about 271.7229011937.

The spelling of 20062208 in words is "twenty million, sixty-two thousand, two hundred eight".

Divisors: 1 2 4 8 16 31 32 62 64 79 124 128 158 248 256 316 496 512 632 992 1024 1264 1984 2048 2449 2528 3968 4096 4898 5056 7936 8192 9796 10112 15872 19592 20224 31744 39184 40448 63488 78368 80896 126976 156736 161792 253952 313472 323584 626944 647168 1253888 2507776 5015552 10031104 20062208