20097039 has 16 divisors (see below), whose sum is σ = 27764352. Its totient is φ = 12921888.

The previous prime is 20097019. The next prime is 20097053. The reversal of 20097039 is 93079002.

It is a de Polignac number, because none of the positive numbers 2^k-20097039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20096997 and 20097015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20097019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9769 + ... + 11645.

It is an arithmetic number, because the mean of its divisors is an integer number (1735272).

Almost surely, 2^20097039 is an apocalyptic number.

20097039 is a deficient number, since it is larger than the sum of its proper divisors (7667313).

20097039 is a wasteful number, since it uses less digits than its factorization.

20097039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 20097039 is about 4482.9721167993. The cubic root of 20097039 is about 271.8800608385.

The spelling of 20097039 in words is "twenty million, ninety-seven thousand, thirty-nine".