20597103 has 12 divisors (see below), whose sum is σ = 29844048. Its totient is φ = 13688640.

The previous prime is 20597099. The next prime is 20597107. The reversal of 20597103 is 30179502.

It is an interprime number because it is at equal distance from previous prime (20597099) and next prime (20597107).

It is not a de Polignac number, because 20597103 - 2² = 20597099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20597107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363 + ... + 6428.

It is an arithmetic number, because the mean of its divisors is an integer number (2487004).

Almost surely, 2^20597103 is an apocalyptic number.

20597103 is a deficient number, since it is larger than the sum of its proper divisors (9246945).

20597103 is a wasteful number, since it uses less digits than its factorization.

20597103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134 (or 7131 counting only the distinct ones).

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

The square root of 20597103 is about 4538.4031332617. The cubic root of 20597103 is about 274.1166276731.

The spelling of 20597103 in words is "twenty million, five hundred ninety-seven thousand, one hundred three".