20362161470207 has 4 divisors (see below), whose sum is σ = 20607488716920. Its totient is φ = 20116834223496.

The previous prime is 20362161470149. The next prime is 20362161470213. The reversal of 20362161470207 is 70207416126302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20362161470207 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 (20362161470257) 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, 122663623232 + ... + 122663623397.

It is an arithmetic number, because the mean of its divisors is an integer number (5151872179230).

Almost surely, 2^{20362161470207} is an apocalyptic number.

20362161470207 is a deficient number, since it is larger than the sum of its proper divisors (245327246713).

20362161470207 is an equidigital number, since it uses as much as digits as its factorization.

20362161470207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245327246712.

The product of its (nonzero) digits is 169344, while the sum is 41.

Adding to 20362161470207 its reverse (70207416126302), we get a palindrome (90569577596509).

The spelling of 20362161470207 in words is "twenty trillion, three hundred sixty-two billion, one hundred sixty-one million, four hundred seventy thousand, two hundred seven".