20066973 has 8 divisors (see below), whose sum is σ = 26960736. Its totient is φ = 13275600.

The previous prime is 20066947. The next prime is 20066989. The reversal of 20066973 is 37966002.

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

It is not a de Polignac number, because 20066973 - 2⁵ = 20066941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20066933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25138 + ... + 25923.

It is an arithmetic number, because the mean of its divisors is an integer number (3370092).

Almost surely, 2^20066973 is an apocalyptic number.

It is an amenable number.

20066973 is a deficient number, since it is larger than the sum of its proper divisors (6893763).

20066973 is a wasteful number, since it uses less digits than its factorization.

20066973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51195.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 20066973 is about 4479.6175059931. The cubic root of 20066973 is about 271.7444119056.

The spelling of 20066973 in words is "twenty million, sixty-six thousand, nine hundred seventy-three".