20075718 has 16 divisors (see below), whose sum is σ = 43240176. Its totient is φ = 6177120.

The previous prime is 20075701. The next prime is 20075749. The reversal of 20075718 is 81757002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 128613 + ... + 128768.

It is an arithmetic number, because the mean of its divisors is an integer number (2702511).

Almost surely, 2^20075718 is an apocalyptic number.

20075718 is an abundant number, since it is smaller than the sum of its proper divisors (23164458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20075718 is a wasteful number, since it uses less digits than its factorization.

20075718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257399.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 20075718 is about 4480.5934874746. The cubic root of 20075718 is about 271.7838807343.

The spelling of 20075718 in words is "twenty million, seventy-five thousand, seven hundred eighteen".