20066073 has 4 divisors (see below), whose sum is σ = 26754768. Its totient is φ = 13377380.

The previous prime is 20066063. The next prime is 20066087. The reversal of 20066073 is 37066002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20066073 - 2⁵ = 20066041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20066003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3344343 + ... + 3344348.

It is an arithmetic number, because the mean of its divisors is an integer number (6688692).

Almost surely, 2^20066073 is an apocalyptic number.

It is an amenable number.

20066073 is a deficient number, since it is larger than the sum of its proper divisors (6688695).

20066073 is an equidigital number, since it uses as much as digits as its factorization.

20066073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688694.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 20066073 is about 4479.5170498615. The cubic root of 20066073 is about 271.7403492828.

The spelling of 20066073 in words is "twenty million, sixty-six thousand, seventy-three".