20413111004351 has 12 divisors (see below), whose sum is σ = 22125577653360. Its totient is φ = 18824595229440.

The previous prime is 20413111004327. The next prime is 20413111004371. The reversal of 20413111004351 is 15340011131402.

It is not a de Polignac number, because 20413111004351 - 2²⁶ = 20413043895487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20413111004351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413111004371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58403666 + ... + 58752143.

It is an arithmetic number, because the mean of its divisors is an integer number (1843798137780).

Almost surely, 2^{20413111004351} is an apocalyptic number.

20413111004351 is a deficient number, since it is larger than the sum of its proper divisors (1712466649009).

20413111004351 is a wasteful number, since it uses less digits than its factorization.

20413111004351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117156866 (or 117156853 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 20413111004351 its reverse (15340011131402), we get a palindrome (35753122135753).

The spelling of 20413111004351 in words is "twenty trillion, four hundred thirteen billion, one hundred eleven million, four thousand, three hundred fifty-one".