20116454 has 8 divisors (see below), whose sum is σ = 30200040. Its totient is φ = 10049776.

The previous prime is 20116451. The next prime is 20116477. The reversal of 20116454 is 45461102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644 + ... + 6375.

It is an arithmetic number, because the mean of its divisors is an integer number (3775005).

Almost surely, 2^20116454 is an apocalyptic number.

20116454 is a deficient number, since it is larger than the sum of its proper divisors (10083586).

20116454 is a wasteful number, since it uses less digits than its factorization.

20116454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20116454 is about 4485.1370101704. The cubic root of 20116454 is about 271.9675837234.

Adding to 20116454 its reverse (45461102), we get a palindrome (65577556).

The spelling of 20116454 in words is "twenty million, one hundred sixteen thousand, four hundred fifty-four".