20249095 has 16 divisors (see below), whose sum is σ = 25038720. Its totient is φ = 15713824.

The previous prime is 20249083. The next prime is 20249111. The reversal of 20249095 is 59094202.

It is not a de Polignac number, because 20249095 - 2⁷ = 20248967 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24072 + ... + 24898.

It is an arithmetic number, because the mean of its divisors is an integer number (1564920).

Almost surely, 2^20249095 is an apocalyptic number.

20249095 is a deficient number, since it is larger than the sum of its proper divisors (4789625).

20249095 is an equidigital number, since it uses as much as digits as its factorization.

20249095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 20249095 is about 4499.8994433209. The cubic root of 20249095 is about 272.5640283850.

The spelling of 20249095 in words is "twenty million, two hundred forty-nine thousand, ninety-five".