20413454 has 8 divisors (see below), whose sum is σ = 30815688. Its totient is φ = 10141560.

The previous prime is 20413451. The next prime is 20413457. The reversal of 20413454 is 45431402.

It is an interprime number because it is at equal distance from previous prime (20413451) and next prime (20413457).

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 (20413451) 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, 32192 + ... + 32819.

It is an arithmetic number, because the mean of its divisors is an integer number (3851961).

Almost surely, 2^20413454 is an apocalyptic number.

20413454 is a deficient number, since it is larger than the sum of its proper divisors (10402234).

20413454 is a wasteful number, since it uses less digits than its factorization.

20413454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65170.

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

The square root of 20413454 is about 4518.1250536035. The cubic root of 20413454 is about 273.2994964393.

Adding to 20413454 its reverse (45431402), we get a palindrome (65844856).

The spelling of 20413454 in words is "twenty million, four hundred thirteen thousand, four hundred fifty-four".