20413321600351 has 4 divisors (see below), whose sum is σ = 20414290592872. Its totient is φ = 20412352607832.

The previous prime is 20413321600307. The next prime is 20413321600393. The reversal of 20413321600351 is 15300612331402.

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

It is a cyclic number.

It is not a de Polignac number, because 20413321600351 - 2¹⁹ = 20413321076063 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 (20413321610351) 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, 484464660 + ... + 484506793.

It is an arithmetic number, because the mean of its divisors is an integer number (5103572648218).

Almost surely, 2^{20413321600351} is an apocalyptic number.

20413321600351 is a deficient number, since it is larger than the sum of its proper divisors (968992521).

20413321600351 is an equidigital number, since it uses as much as digits as its factorization.

20413321600351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968992520.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 20413321600351 its reverse (15300612331402), we get a palindrome (35713933931753).

The spelling of 20413321600351 in words is "twenty trillion, four hundred thirteen billion, three hundred twenty-one million, six hundred thousand, three hundred fifty-one".