20275673 has 8 divisors (see below), whose sum is σ = 23080896. Its totient is φ = 17630800.

The previous prime is 20275663. The next prime is 20275687. The reversal of 20275673 is 37657202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20275673 - 2⁴ = 20275657 is a prime.

It is a super-2 number, since 2×20275673² = 822205831205858, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20275613) 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 7 ways as a sum of consecutive naturals, for example, 39818 + ... + 40323.

It is an arithmetic number, because the mean of its divisors is an integer number (2885112).

Almost surely, 2^20275673 is an apocalyptic number.

20275673 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20275673 is a deficient number, since it is larger than the sum of its proper divisors (2805223).

20275673 is a wasteful number, since it uses less digits than its factorization.

20275673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80175.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 20275673 is about 4502.8516520090. The cubic root of 20275673 is about 272.6832277795.

The spelling of 20275673 in words is "twenty million, two hundred seventy-five thousand, six hundred seventy-three".