20014597 has 4 divisors (see below), whose sum is σ = 20147296. Its totient is φ = 19881900.

The previous prime is 20014591. The next prime is 20014637. The reversal of 20014597 is 79541002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79541002 = 2 ⋅39770501.

It is a cyclic number.

It is not a de Polignac number, because 20014597 - 2⁷ = 20014469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66123 + ... + 66424.

It is an arithmetic number, because the mean of its divisors is an integer number (5036824).

Almost surely, 2^20014597 is an apocalyptic number.

It is an amenable number.

20014597 is a deficient number, since it is larger than the sum of its proper divisors (132699).

20014597 is a wasteful number, since it uses less digits than its factorization.

20014597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132698.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 20014597 is about 4473.7676515438. The cubic root of 20014597 is about 271.5077828568.

Adding to 20014597 its reverse (79541002), we get a palindrome (99555599).

The spelling of 20014597 in words is "twenty million, fourteen thousand, five hundred ninety-seven".