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20132254 = 222074561
BaseRepresentation
bin100110011001…
…1000110011110
31101212211021001
41030303012132
520123213004
61555300514
7333056422
oct114630636
941784231
1020132254
111040072a
1268aa73a
13422b69c
142960b82
151b7a1a4
hex133319e

20132254 has 8 divisors (see below), whose sum is σ = 30218688. Its totient is φ = 10059360.

The previous prime is 20132251. The next prime is 20132297. The reversal of 20132254 is 45223102.

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

It is a super-2 number, since 2×201322542 = 810615302241032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134 + ... + 6694.

It is an arithmetic number, because the mean of its divisors is an integer number (3777336).

Almost surely, 220132254 is an apocalyptic number.

20132254 is a deficient number, since it is larger than the sum of its proper divisors (10086434).

20132254 is a wasteful number, since it uses less digits than its factorization.

20132254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20132254 is about 4486.8980376202. The cubic root of 20132254 is about 272.0387686233.

Adding to 20132254 its reverse (45223102), we get a palindrome (65355356).

The spelling of 20132254 in words is "twenty million, one hundred thirty-two thousand, two hundred fifty-four".

Divisors: 1 2 2207 4414 4561 9122 10066127 20132254