20075955 has 8 divisors (see below), whose sum is σ = 32121552. Its totient is φ = 10707168.

The previous prime is 20075953. The next prime is 20075959. The reversal of 20075955 is 55957002.

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

It is not a de Polignac number, because 20075955 - 2¹ = 20075953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20075953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669184 + ... + 669213.

It is an arithmetic number, because the mean of its divisors is an integer number (4015194).

Almost surely, 2^20075955 is an apocalyptic number.

20075955 is a deficient number, since it is larger than the sum of its proper divisors (12045597).

20075955 is a wasteful number, since it uses less digits than its factorization.

20075955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338405.

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 20075955 is about 4480.6199347858. The cubic root of 20075955 is about 271.7849502274.

The spelling of 20075955 in words is "twenty million, seventy-five thousand, nine hundred fifty-five".