20341615771 has 16 divisors (see below), whose sum is σ = 21626115840. Its totient is φ = 19091999520.

The previous prime is 20341615751. The next prime is 20341615831. The reversal of 20341615771 is 17751614302.

It is a cyclic number.

It is not a de Polignac number, because 20341615771 - 2¹¹ = 20341613723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20341615771.

It is not an unprimeable number, because it can be changed into a prime (20341615741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570556 + ... + 605158.

It is an arithmetic number, because the mean of its divisors is an integer number (1351632240).

Almost surely, 2^20341615771 is an apocalyptic number.

20341615771 is a deficient number, since it is larger than the sum of its proper divisors (1284500069).

20341615771 is a wasteful number, since it uses less digits than its factorization.

20341615771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35106.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 20341615771 in words is "twenty billion, three hundred forty-one million, six hundred fifteen thousand, seven hundred seventy-one".