Search a number
-
+
20700168 = 2333723311
BaseRepresentation
bin100111011110…
…1110000001000
31102221200021220
41032331300020
520244401133
62015402040
7340643226
oct116756010
942850256
1020700168
1110759385
126b23320
13439a028
142a6bb16
151c3d5b3
hex13bdc08

20700168 has 32 divisors (see below), whose sum is σ = 53151360. Its totient is φ = 6713280.

The previous prime is 20700143. The next prime is 20700181. The reversal of 20700168 is 86100702.

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

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, 10768 + ... + 12543.

It is an arithmetic number, because the mean of its divisors is an integer number (1660980).

Almost surely, 220700168 is an apocalyptic number.

It is an amenable number.

20700168 is an abundant number, since it is smaller than the sum of its proper divisors (32451192).

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

20700168 is a wasteful number, since it uses less digits than its factorization.

20700168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23357 (or 23353 counting only the distinct ones).

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

The square root of 20700168 is about 4549.7437290467. The cubic root of 20700168 is about 274.5730808301.

The spelling of 20700168 in words is "twenty million, seven hundred thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 23311 46622 69933 93244 139866 186488 279732 559464 862507 1725014 2587521 3450028 5175042 6900056 10350084 20700168