20046675 has 54 divisors (see below), whose sum is σ = 37222444. Its totient is φ = 9512800.

The previous prime is 20046671. The next prime is 20046701. The reversal of 20046675 is 57664002.

It is not a de Polignac number, because 20046675 - 2² = 20046671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20046671) 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 53 ways as a sum of consecutive naturals, for example, 426502 + ... + 426548.

Almost surely, 2^20046675 is an apocalyptic number.

20046675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20046675 is a deficient number, since it is larger than the sum of its proper divisors (17175769).

20046675 is a wasteful number, since it uses less digits than its factorization.

20046675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 20046675 is about 4477.3513375655. The cubic root of 20046675 is about 271.6527566784.

The spelling of 20046675 in words is "twenty million, forty-six thousand, six hundred seventy-five".