20407226611 has 2 divisors, whose sum is σ = 20407226612. Its totient is φ = 20407226610.

The previous prime is 20407226603. The next prime is 20407226641. The reversal of 20407226611 is 11662270402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20407226611 - 2³ = 20407226603 is a prime.

It is not a weakly prime, because it can be changed into another prime (20407226641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10203613305 + 10203613306.

It is an arithmetic number, because the mean of its divisors is an integer number (10203613306).

Almost surely, 2^20407226611 is an apocalyptic number.

20407226611 is a deficient number, since it is larger than the sum of its proper divisors (1).

20407226611 is an equidigital number, since it uses as much as digits as its factorization.

20407226611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 20407226611 in words is "twenty billion, four hundred seven million, two hundred twenty-six thousand, six hundred eleven".