20580090611 has 2 divisors, whose sum is σ = 20580090612. Its totient is φ = 20580090610.

The previous prime is 20580090607. The next prime is 20580090623. The reversal of 20580090611 is 11609008502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20580090611 - 2² = 20580090607 is a prime.

It is not a weakly prime, because it can be changed into another prime (20580090511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10290045305 + 10290045306.

It is an arithmetic number, because the mean of its divisors is an integer number (10290045306).

Almost surely, 2^20580090611 is an apocalyptic number.

20580090611 is a deficient number, since it is larger than the sum of its proper divisors (1).

20580090611 is an equidigital number, since it uses as much as digits as its factorization.

20580090611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 20580090611 in words is "twenty billion, five hundred eighty million, ninety thousand, six hundred eleven".