20826262747 has 2 divisors, whose sum is σ = 20826262748. Its totient is φ = 20826262746.

The previous prime is 20826262733. The next prime is 20826262757. The reversal of 20826262747 is 74726262802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20826262747 - 2¹¹ = 20826260699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20826262697 and 20826262706.

It is not a weakly prime, because it can be changed into another prime (20826262757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10413131373 + 10413131374.

It is an arithmetic number, because the mean of its divisors is an integer number (10413131374).

Almost surely, 2^20826262747 is an apocalyptic number.

20826262747 is a deficient number, since it is larger than the sum of its proper divisors (1).

20826262747 is an equidigital number, since it uses as much as digits as its factorization.

20826262747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 20826262747 in words is "twenty billion, eight hundred twenty-six million, two hundred sixty-two thousand, seven hundred forty-seven".