20014447 has 8 divisors (see below), whose sum is σ = 20741616. Its totient is φ = 19297152.

The previous prime is 20014427. The next prime is 20014453. The reversal of 20014447 is 74441002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20014447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788 + ... + 6574.

It is an arithmetic number, because the mean of its divisors is an integer number (2592702).

Almost surely, 2^20014447 is an apocalyptic number.

20014447 is a deficient number, since it is larger than the sum of its proper divisors (727169).

20014447 is a wasteful number, since it uses less digits than its factorization.

20014447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 20014447 is about 4473.7508871192. The cubic root of 20014447 is about 271.5071045807.

Adding to 20014447 its reverse (74441002), we get a palindrome (94455449).

The spelling of 20014447 in words is "twenty million, fourteen thousand, four hundred forty-seven".