20195008 has 14 divisors (see below), whose sum is σ = 40074596. Its totient is φ = 10097472.

The previous prime is 20194973. The next prime is 20195009. The reversal of 20195008 is 80059102.

It is not an unprimeable number, because it can be changed into a prime (20195009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157710 + ... + 157837.

Almost surely, 2^20195008 is an apocalyptic number.

It is an amenable number.

20195008 is a deficient number, since it is larger than the sum of its proper divisors (19879588).

20195008 is an equidigital number, since it uses as much as digits as its factorization.

20195008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315559 (or 315549 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 20195008 is about 4493.8856238227. The cubic root of 20195008 is about 272.3211316701.

The spelling of 20195008 in words is "twenty million, one hundred ninety-five thousand, eight".