20341059481 has 2 divisors, whose sum is σ = 20341059482. Its totient is φ = 20341059480.

The previous prime is 20341059467. The next prime is 20341059509. The reversal of 20341059481 is 18495014302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10341059481 + 10000000000 = 101691^2 + 100000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20341059481 is a prime.

It is a super-2 number, since 2×20341059481² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20341059481.

It is not a weakly prime, because it can be changed into another prime (20341089481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170529740 + 10170529741.

It is an arithmetic number, because the mean of its divisors is an integer number (10170529741).

Almost surely, 2^20341059481 is an apocalyptic number.

It is an amenable number.

20341059481 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341059481 is an equidigital number, since it uses as much as digits as its factorization.

20341059481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 20341059481 in words is "twenty billion, three hundred forty-one million, fifty-nine thousand, four hundred eighty-one".