20057173 has 8 divisors (see below), whose sum is σ = 20978496. Its totient is φ = 19140000.

The previous prime is 20057171. The next prime is 20057189. The reversal of 20057173 is 37175002.

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 20057173 - 2¹ = 20057171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20057171) 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, 13098 + ... + 14548.

It is an arithmetic number, because the mean of its divisors is an integer number (2622312).

Almost surely, 2^20057173 is an apocalyptic number.

20057173 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20057173 is a deficient number, since it is larger than the sum of its proper divisors (921323).

20057173 is a wasteful number, since it uses less digits than its factorization.

20057173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 20057173 is about 4478.5235290216. The cubic root of 20057173 is about 271.7001679153.

The spelling of 20057173 in words is "twenty million, fifty-seven thousand, one hundred seventy-three".