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20303122 = 277192017
BaseRepresentation
bin100110101110…
…0110100010010
31102012111122111
41031130310102
520144144442
62003055534
7334400530
oct115346422
942174574
1020303122
1110508044
1269715aa
13428b3a8
1429a7150
151bb0b17
hex135cd12

20303122 has 16 divisors (see below), whose sum is σ = 34871040. Its totient is φ = 8684928.

The previous prime is 20303119. The next prime is 20303123. The reversal of 20303122 is 22130302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20303123) 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, 9058 + ... + 11074.

It is an arithmetic number, because the mean of its divisors is an integer number (2179440).

Almost surely, 220303122 is an apocalyptic number.

20303122 is a deficient number, since it is larger than the sum of its proper divisors (14567918).

20303122 is a wasteful number, since it uses less digits than its factorization.

20303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20303122 is about 4505.8985785301. The cubic root of 20303122 is about 272.8062242197.

Adding to 20303122 its reverse (22130302), we get a palindrome (42433424).

The spelling of 20303122 in words is "twenty million, three hundred three thousand, one hundred twenty-two".

Divisors: 1 2 7 14 719 1438 2017 4034 5033 10066 14119 28238 1450223 2900446 10151561 20303122