20675003 has 8 divisors (see below), whose sum is σ = 20983440. Its totient is φ = 20368800.

The previous prime is 20674993. The next prime is 20675023. The reversal of 20675003 is 30057602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20675003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20675003.

It is not an unprimeable number, because it can be changed into a prime (20675023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27608 + ... + 28346.

It is an arithmetic number, because the mean of its divisors is an integer number (2622930).

Almost surely, 2^20675003 is an apocalyptic number.

20675003 is a deficient number, since it is larger than the sum of its proper divisors (308437).

20675003 is a wasteful number, since it uses less digits than its factorization.

20675003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 20675003 is about 4546.9773476454. The cubic root of 20675003 is about 274.4617704056.

The spelling of 20675003 in words is "twenty million, six hundred seventy-five thousand, three".