20514005 has 8 divisors (see below), whose sum is σ = 25034400. Its totient is φ = 16132816.

The previous prime is 20513989. The next prime is 20514007. The reversal of 20514005 is 50041502.

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 20514005 - 2⁴ = 20513989 is a prime.

It is a super-2 number, since 2×20514005² = 841648802280050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34475 + ... + 35064.

It is an arithmetic number, because the mean of its divisors is an integer number (3129300).

Almost surely, 2^20514005 is an apocalyptic number.

It is an amenable number.

20514005 is a deficient number, since it is larger than the sum of its proper divisors (4520395).

20514005 is an equidigital number, since it uses as much as digits as its factorization.

20514005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69603.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 20514005 is about 4529.2388985347. The cubic root of 20514005 is about 273.7474941216.

Adding to 20514005 its reverse (50041502), we get a palindrome (70555507).

The spelling of 20514005 in words is "twenty million, five hundred fourteen thousand, five".