20476106320413 has 16 divisors (see below), whose sum is σ = 28182297139200. Its totient is φ = 13210330565040.

The previous prime is 20476106320381. The next prime is 20476106320471. The reversal of 20476106320413 is 31402360167402.

It is not a de Polignac number, because 20476106320413 - 2⁵ = 20476106320381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20476106320493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29244658 + ... + 29936636.

It is an arithmetic number, because the mean of its divisors is an integer number (1761393571200).

Almost surely, 2^{20476106320413} is an apocalyptic number.

It is an amenable number.

20476106320413 is a deficient number, since it is larger than the sum of its proper divisors (7706190818787).

20476106320413 is a wasteful number, since it uses less digits than its factorization.

20476106320413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010192.

The product of its (nonzero) digits is 145152, while the sum is 39.

Adding to 20476106320413 its reverse (31402360167402), we get a palindrome (51878466487815).

The spelling of 20476106320413 in words is "twenty trillion, four hundred seventy-six billion, one hundred six million, three hundred twenty thousand, four hundred thirteen".