20414427 has 8 divisors (see below), whose sum is σ = 29693760. Its totient is φ = 12372360.

The previous prime is 20414411. The next prime is 20414437. The reversal of 20414427 is 72441402.

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

It is not a de Polignac number, because 20414427 - 2⁴ = 20414411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20414397 and 20414406.

It is not an unprimeable number, because it can be changed into a prime (20414437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309277 + ... + 309342.

It is an arithmetic number, because the mean of its divisors is an integer number (3711720).

Almost surely, 2^20414427 is an apocalyptic number.

20414427 is a deficient number, since it is larger than the sum of its proper divisors (9279333).

20414427 is a wasteful number, since it uses less digits than its factorization.

20414427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618633.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 20414427 is about 4518.2327297296. The cubic root of 20414427 is about 273.3038386113.

Adding to 20414427 its reverse (72441402), we get a palindrome (92855829).

The spelling of 20414427 in words is "twenty million, four hundred fourteen thousand, four hundred twenty-seven".