20413394747 has 2 divisors, whose sum is σ = 20413394748. Its totient is φ = 20413394746.

The previous prime is 20413394741. The next prime is 20413394753. The reversal of 20413394747 is 74749331402.

It is a balanced prime because it is at equal distance from previous prime (20413394741) and next prime (20413394753).

It is a cyclic number.

It is not a de Polignac number, because 20413394747 - 2¹² = 20413390651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20413394698 and 20413394707.

It is not a weakly prime, because it can be changed into another prime (20413394741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206697373 + 10206697374.

It is an arithmetic number, because the mean of its divisors is an integer number (10206697374).

Almost surely, 2^20413394747 is an apocalyptic number.

20413394747 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413394747 is an equidigital number, since it uses as much as digits as its factorization.

20413394747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 20413394747 in words is "twenty billion, four hundred thirteen million, three hundred ninety-four thousand, seven hundred forty-seven".