20414436315497 has 4 divisors (see below), whose sum is σ = 23330784360576. Its totient is φ = 17498088270420.

The previous prime is 20414436315461. The next prime is 20414436315509. The reversal of 20414436315497 is 79451363441402.

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.

It is a cyclic number.

It is not a de Polignac number, because 20414436315497 - 2⁴⁴ = 2822250271081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20414436315407) 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, 1458174022529 + ... + 1458174022542.

It is an arithmetic number, because the mean of its divisors is an integer number (5832696090144).

Almost surely, 2^{20414436315497} is an apocalyptic number.

It is an amenable number.

20414436315497 is a deficient number, since it is larger than the sum of its proper divisors (2916348045079).

20414436315497 is an equidigital number, since it uses as much as digits as its factorization.

20414436315497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916348045078.

The product of its (nonzero) digits is 8709120, while the sum is 53.

Adding to 20414436315497 its reverse (79451363441402), we get a palindrome (99865799756899).

The spelling of 20414436315497 in words is "twenty trillion, four hundred fourteen billion, four hundred thirty-six million, three hundred fifteen thousand, four hundred ninety-seven".