20020097 has 8 divisors (see below), whose sum is σ = 21078144. Its totient is φ = 18977728.

The previous prime is 20020093. The next prime is 20020103. The reversal of 20020097 is 79002002.

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 20020097 - 2² = 20020093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020093) 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, 1253 + ... + 6450.

It is an arithmetic number, because the mean of its divisors is an integer number (2634768).

Almost surely, 2^20020097 is an apocalyptic number.

It is an amenable number.

20020097 is a deficient number, since it is larger than the sum of its proper divisors (1058047).

20020097 is a wasteful number, since it uses less digits than its factorization.

20020097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 20020097 is about 4474.3823037376. The cubic root of 20020097 is about 271.5326506411.

Adding to 20020097 its reverse (79002002), we get a palindrome (99022099).

The spelling of 20020097 in words is "twenty million, twenty thousand, ninety-seven".