20134454 has 8 divisors (see below), whose sum is σ = 30261000. Its totient is φ = 10047456.

The previous prime is 20134423. The next prime is 20134463. The reversal of 20134454 is 45443102.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 8579 + ... + 10670.

It is an arithmetic number, because the mean of its divisors is an integer number (3782625).

Almost surely, 2^20134454 is an apocalyptic number.

20134454 is a deficient number, since it is larger than the sum of its proper divisors (10126546).

20134454 is a wasteful number, since it uses less digits than its factorization.

20134454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19774.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 20134454 is about 4487.1431891572. The cubic root of 20134454 is about 272.0486774905.

Adding to 20134454 its reverse (45443102), we get a palindrome (65577556).

The spelling of 20134454 in words is "twenty million, one hundred thirty-four thousand, four hundred fifty-four".