20313122206449 has 8 divisors (see below), whose sum is σ = 27816167345920. Its totient is φ = 13176079268976.

The previous prime is 20313122206439. The next prime is 20313122206471. The reversal of 20313122206449 is 94460222131302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20313122206449 - 2⁸ = 20313122206193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313122206439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91500550369 + ... + 91500550590.

It is an arithmetic number, because the mean of its divisors is an integer number (3477020918240).

Almost surely, 2^{20313122206449} is an apocalyptic number.

It is an amenable number.

20313122206449 is a deficient number, since it is larger than the sum of its proper divisors (7503045139471).

20313122206449 is a wasteful number, since it uses less digits than its factorization.

20313122206449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183001100999.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 20313122206449 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-two million, two hundred six thousand, four hundred forty-nine".