20550746341 has 4 divisors (see below), whose sum is σ = 20887643884. Its totient is φ = 20213848800.

The previous prime is 20550746263. The next prime is 20550746347. The reversal of 20550746341 is 14364705502.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6387366241 + 14163380100 = 79921^2 + 119010^2 .

It is a cyclic number.

It is not a de Polignac number, because 20550746341 - 2⁹ = 20550745829 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 20550746341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20550746347) 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, 168448680 + ... + 168448801.

It is an arithmetic number, because the mean of its divisors is an integer number (5221910971).

Almost surely, 2^20550746341 is an apocalyptic number.

It is an amenable number.

20550746341 is a deficient number, since it is larger than the sum of its proper divisors (336897543).

20550746341 is an equidigital number, since it uses as much as digits as its factorization.

20550746341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336897542.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 20550746341 in words is "twenty billion, five hundred fifty million, seven hundred forty-six thousand, three hundred forty-one".