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20313022 = 210993179
BaseRepresentation
bin100110101111…
…1001110111110
31102020000020011
41031133032332
520200004042
62003213434
7334441432
oct115371676
942200204
1020313022
1110514524
12697727a
134292a52
1429aa9c2
151bb3a17
hex135f3be

20313022 has 8 divisors (see below), whose sum is σ = 30749400. Its totient is φ = 10063224.

The previous prime is 20313001. The next prime is 20313047. The reversal of 20313022 is 22031302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20312993 and 20313011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46372 + ... + 46807.

It is an arithmetic number, because the mean of its divisors is an integer number (3843675).

Almost surely, 220313022 is an apocalyptic number.

20313022 is a deficient number, since it is larger than the sum of its proper divisors (10436378).

20313022 is a wasteful number, since it uses less digits than its factorization.

20313022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93290.

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

The square root of 20313022 is about 4506.9970046584. The cubic root of 20313022 is about 272.8505580051.

Adding to 20313022 its reverse (22031302), we get a palindrome (42344324).

It can be divided in two parts, 2031302 and 2, that multiplied together give a palindrome (4062604).

The spelling of 20313022 in words is "twenty million, three hundred thirteen thousand, twenty-two".

Divisors: 1 2 109 218 93179 186358 10156511 20313022