20570097 has 8 divisors (see below), whose sum is σ = 27496800. Its totient is φ = 13678400.

The previous prime is 20570093. The next prime is 20570101. The reversal of 20570097 is 79007502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20570093) and next prime (20570101).

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 20570097 - 2² = 20570093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20570093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7347 + ... + 9752.

It is an arithmetic number, because the mean of its divisors is an integer number (3437100).

Almost surely, 2^20570097 is an apocalyptic number.

It is an amenable number.

20570097 is a deficient number, since it is larger than the sum of its proper divisors (6926703).

20570097 is a wasteful number, since it uses less digits than its factorization.

20570097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17503.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 20570097 is about 4535.4268817830. The cubic root of 20570097 is about 273.9967721217.

Adding to 20570097 its reverse (79007502), we get a palindrome (99577599).

The spelling of 20570097 in words is "twenty million, five hundred seventy thousand, ninety-seven".