20066371 has 8 divisors (see below), whose sum is σ = 21644784. Its totient is φ = 18492960.

The previous prime is 20066369. The next prime is 20066399. The reversal of 20066371 is 17366002.

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

It is a cyclic number.

It is not a de Polignac number, because 20066371 - 2¹ = 20066369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20066351) 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, 14700 + ... + 16006.

It is an arithmetic number, because the mean of its divisors is an integer number (2705598).

Almost surely, 2^20066371 is an apocalyptic number.

20066371 is a deficient number, since it is larger than the sum of its proper divisors (1578413).

20066371 is a wasteful number, since it uses less digits than its factorization.

20066371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 20066371 is about 4479.5503122523. The cubic root of 20066371 is about 271.7416944758.

The spelling of 20066371 in words is "twenty million, sixty-six thousand, three hundred seventy-one".