20154482 has 8 divisors (see below), whose sum is σ = 30259200. Its totient is φ = 10068084.

The previous prime is 20154473. The next prime is 20154523. The reversal of 20154482 is 28445102.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382 + ... + 6497.

It is an arithmetic number, because the mean of its divisors is an integer number (3782400).

Almost surely, 2^20154482 is an apocalyptic number.

20154482 is a deficient number, since it is larger than the sum of its proper divisors (10104718).

20154482 is a wasteful number, since it uses less digits than its factorization.

20154482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 20154482 is about 4489.3743439370. The cubic root of 20154482 is about 272.1388510361.

Adding to 20154482 its reverse (28445102), we get a palindrome (48599584).

The spelling of 20154482 in words is "twenty million, one hundred fifty-four thousand, four hundred eighty-two".