20755195 has 4 divisors (see below), whose sum is σ = 24906240. Its totient is φ = 16604152.

The previous prime is 20755159. The next prime is 20755199. The reversal of 20755195 is 59155702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20755195 - 2¹¹ = 20753147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20755195.

It is not an unprimeable number, because it can be changed into a prime (20755199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075515 + ... + 2075524.

It is an arithmetic number, because the mean of its divisors is an integer number (6226560).

Almost surely, 2^20755195 is an apocalyptic number.

20755195 is a deficient number, since it is larger than the sum of its proper divisors (4151045).

20755195 is an equidigital number, since it uses as much as digits as its factorization.

20755195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151044.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 20755195 is about 4555.7869792167. The cubic root of 20755195 is about 274.8161636349.

The spelling of 20755195 in words is "twenty million, seven hundred fifty-five thousand, one hundred ninety-five".