20041070779 has 2 divisors, whose sum is σ = 20041070780. Its totient is φ = 20041070778.

The previous prime is 20041070747. The next prime is 20041070801. The reversal of 20041070779 is 97707014002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20041070779 - 2⁵ = 20041070747 is a prime.

It is not a weakly prime, because it can be changed into another prime (20041070729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10020535389 + 10020535390.

It is an arithmetic number, because the mean of its divisors is an integer number (10020535390).

Almost surely, 2^20041070779 is an apocalyptic number.

20041070779 is a deficient number, since it is larger than the sum of its proper divisors (1).

20041070779 is an equidigital number, since it uses as much as digits as its factorization.

20041070779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 37.

The spelling of 20041070779 in words is "twenty billion, forty-one million, seventy thousand, seven hundred seventy-nine".