20414345 has 8 divisors (see below), whose sum is σ = 27996864. Its totient is φ = 13998384.

The previous prime is 20414333. The next prime is 20414353. The reversal of 20414345 is 54341402.

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

It is a cyclic number.

It is not a de Polignac number, because 20414345 - 2¹⁴ = 20397961 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20414345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291599 + ... + 291668.

It is an arithmetic number, because the mean of its divisors is an integer number (3499608).

Almost surely, 2^20414345 is an apocalyptic number.

It is an amenable number.

20414345 is a deficient number, since it is larger than the sum of its proper divisors (7582519).

20414345 is an equidigital number, since it uses as much as digits as its factorization.

20414345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583279.

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

The square root of 20414345 is about 4518.2236553761. The cubic root of 20414345 is about 273.3034726782.

Adding to 20414345 its reverse (54341402), we get a palindrome (74755747).

The spelling of 20414345 in words is "twenty million, four hundred fourteen thousand, three hundred forty-five".