20104454 has 8 divisors (see below), whose sum is σ = 30455568. Its totient is φ = 9952600.

The previous prime is 20104433. The next prime is 20104493. The reversal of 20104454 is 45440102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49562 + ... + 49965.

It is an arithmetic number, because the mean of its divisors is an integer number (3806946).

Almost surely, 2^20104454 is an apocalyptic number.

20104454 is a deficient number, since it is larger than the sum of its proper divisors (10351114).

20104454 is a wasteful number, since it uses less digits than its factorization.

20104454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99630.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 20104454 is about 4483.7990588339. The cubic root of 20104454 is about 271.9134943336.

Adding to 20104454 its reverse (45440102), we get a palindrome (65544556).

The spelling of 20104454 in words is "twenty million, one hundred four thousand, four hundred fifty-four".