20054776835 has 16 divisors (see below), whose sum is σ = 26303346432. Its totient is φ = 14612966400.

The previous prime is 20054776831. The next prime is 20054776867. The reversal of 20054776835 is 53867745002.

It is not a de Polignac number, because 20054776835 - 2² = 20054776831 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 20054776835.

It is not an unprimeable number, because it can be changed into a prime (20054776831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3802826 + ... + 3808095.

It is an arithmetic number, because the mean of its divisors is an integer number (1643959152).

Almost surely, 2^20054776835 is an apocalyptic number.

20054776835 is a deficient number, since it is larger than the sum of its proper divisors (6248569597).

20054776835 is a wasteful number, since it uses less digits than its factorization.

20054776835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7610974.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 20054776835 in words is "twenty billion, fifty-four million, seven hundred seventy-six thousand, eight hundred thirty-five".