20057193 has 16 divisors (see below), whose sum is σ = 32000640. Its totient is φ = 12342672.

The previous prime is 20057189. The next prime is 20057197. The reversal of 20057193 is 39175002.

20057193 is a `hidden beast` number, since 2 + 0 + 0 + 571 + 93 = 666.

It is an interprime number because it is at equal distance from previous prime (20057189) and next prime (20057197).

It is not a de Polignac number, because 20057193 - 2² = 20057189 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20057197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28221 + ... + 28922.

It is an arithmetic number, because the mean of its divisors is an integer number (2000040).

Almost surely, 2^20057193 is an apocalyptic number.

It is an amenable number.

20057193 is a deficient number, since it is larger than the sum of its proper divisors (11943447).

20057193 is a wasteful number, since it uses less digits than its factorization.

20057193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57165 (or 57159 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 20057193 is about 4478.5257618998. The cubic root of 20057193 is about 271.7002582239.

The spelling of 20057193 in words is "twenty million, fifty-seven thousand, one hundred ninety-three".