Search a number
-
+
20201060 = 2251191823
BaseRepresentation
bin100110100001…
…1111001100100
31102000022122102
41031003321210
520132413220
62000551232
7333464135
oct115037144
942008572
1020201060
11104483a0
126922518
134253ab9
14297bc8c
151b90775
hex1343e64

20201060 has 24 divisors (see below), whose sum is σ = 46279296. Its totient is φ = 7345760.

The previous prime is 20201053. The next prime is 20201063. The reversal of 20201060 is 6010202.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is not an unprimeable number, because it can be changed into a prime (20201063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45692 + ... + 46131.

It is an arithmetic number, because the mean of its divisors is an integer number (1928304).

Almost surely, 220201060 is an apocalyptic number.

20201060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201060 is an abundant number, since it is smaller than the sum of its proper divisors (26078236).

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

20201060 is a wasteful number, since it uses less digits than its factorization.

20201060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91843 (or 91841 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20201060 is about 4494.5589327541. The cubic root of 20201060 is about 272.3483318389.

Adding to 20201060 its reverse (6010202), we get a palindrome (26211262).

The spelling of 20201060 in words is "twenty million, two hundred one thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 91823 183646 367292 459115 918230 1010053 1836460 2020106 4040212 5050265 10100530 20201060