20442020611 has 2 divisors, whose sum is σ = 20442020612. Its totient is φ = 20442020610.

The previous prime is 20442020579. The next prime is 20442020633. The reversal of 20442020611 is 11602024402.

It is a happy number.

It is an a-pointer prime, because the next prime (20442020633) can be obtained adding 20442020611 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20442020611 - 2⁵ = 20442020579 is a prime.

It is not a weakly prime, because it can be changed into another prime (20442020681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10221010305 + 10221010306.

It is an arithmetic number, because the mean of its divisors is an integer number (10221010306).

Almost surely, 2^20442020611 is an apocalyptic number.

20442020611 is a deficient number, since it is larger than the sum of its proper divisors (1).

20442020611 is an equidigital number, since it uses as much as digits as its factorization.

20442020611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The spelling of 20442020611 in words is "twenty billion, four hundred forty-two million, twenty thousand, six hundred eleven".