20926374341 has 4 divisors (see below), whose sum is σ = 20928532800. Its totient is φ = 20924215884.

The previous prime is 20926374311. The next prime is 20926374347. The reversal of 20926374341 is 14347362902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20926374341 - 2¹⁴ = 20926357957 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 (20926374347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064621 + ... + 1084098.

It is an arithmetic number, because the mean of its divisors is an integer number (5232133200).

Almost surely, 2^20926374341 is an apocalyptic number.

It is an amenable number.

20926374341 is a deficient number, since it is larger than the sum of its proper divisors (2158459).

20926374341 is an equidigital number, since it uses as much as digits as its factorization.

20926374341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158458.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 20926374341 in words is "twenty billion, nine hundred twenty-six million, three hundred seventy-four thousand, three hundred forty-one".