Search a number
-
+
20022468 = 2231668539
BaseRepresentation
bin100110001100…
…0010011000100
31101200020122220
41030120103010
520111204333
61553052340
7332121354
oct114302304
941606586
1020022468
11103361a4
1268570b0
1341c071b
142932b64
151b578b3
hex13184c4

20022468 has 12 divisors (see below), whose sum is σ = 46719120. Its totient is φ = 6674152.

The previous prime is 20022467. The next prime is 20022493. The reversal of 20022468 is 86422002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×200224682 = 801798449622048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20022461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834258 + ... + 834281.

It is an arithmetic number, because the mean of its divisors is an integer number (3893260).

Almost surely, 220022468 is an apocalyptic number.

It is an amenable number.

20022468 is an abundant number, since it is smaller than the sum of its proper divisors (26696652).

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

20022468 is a wasteful number, since it uses less digits than its factorization.

20022468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668546 (or 1668544 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 20022468 is about 4474.6472486666. The cubic root of 20022468 is about 271.5433695119.

The spelling of 20022468 in words is "twenty million, twenty-two thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 1668539 3337078 5005617 6674156 10011234 20022468