20465108 has 12 divisors (see below), whose sum is σ = 36267840. Its totient is φ = 10102872.

The previous prime is 20465099. The next prime is 20465113. The reversal of 20465108 is 80156402.

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 3 ways as a sum of consecutive naturals, for example, 32066 + ... + 32697.

It is an arithmetic number, because the mean of its divisors is an integer number (3022320).

Almost surely, 2^20465108 is an apocalyptic number.

It is an amenable number.

20465108 is a deficient number, since it is larger than the sum of its proper divisors (15802732).

20465108 is a wasteful number, since it uses less digits than its factorization.

20465108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64846 (or 64844 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 20465108 is about 4523.8377512904. The cubic root of 20465108 is about 273.5298203835.

The spelling of 20465108 in words is "twenty million, four hundred sixty-five thousand, one hundred eight".