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20070168 = 23323103353
BaseRepresentation
bin100110010001…
…1111100011000
31101202200002120
41030203330120
520114221133
61554101240
7332410416
oct114437430
941680076
1020070168
1110369018
12687a820
134209351
1429462b6
151b66ab3
hex1323f18

20070168 has 64 divisors (see below), whose sum is σ = 53015040. Its totient is φ = 6319104.

The previous prime is 20070161. The next prime is 20070179. The reversal of 20070168 is 86107002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20070161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56680 + ... + 57032.

It is an arithmetic number, because the mean of its divisors is an integer number (828360).

Almost surely, 220070168 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 20070168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26507520).

20070168 is an abundant number, since it is smaller than the sum of its proper divisors (32944872).

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

20070168 is a wasteful number, since it uses less digits than its factorization.

20070168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 20070168 is about 4479.9741070680. The cubic root of 20070168 is about 271.7588332356.

The spelling of 20070168 in words is "twenty million, seventy thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 103 138 184 206 276 309 353 412 552 618 706 824 1059 1236 1412 2118 2369 2472 2824 4236 4738 7107 8119 8472 9476 14214 16238 18952 24357 28428 32476 36359 48714 56856 64952 72718 97428 109077 145436 194856 218154 290872 436308 836257 872616 1672514 2508771 3345028 5017542 6690056 10035084 20070168