20376444068 has 6 divisors (see below), whose sum is σ = 35658777126. Its totient is φ = 10188222032.

The previous prime is 20376444047. The next prime is 20376444107. The reversal of 20376444068 is 86044467302.

It can be written as a sum of positive squares in only one way, i.e., 16357898404 + 4018545664 = 127898^2 + 63392^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2547055505 + ... + 2547055512.

It is an arithmetic number, because the mean of its divisors is an integer number (5943129521).

Almost surely, 2^20376444068 is an apocalyptic number.

It is an amenable number.

20376444068 is a deficient number, since it is larger than the sum of its proper divisors (15282333058).

20376444068 is a wasteful number, since it uses less digits than its factorization.

20376444068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094111021 (or 5094111019 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 20376444068 in words is "twenty billion, three hundred seventy-six million, four hundred forty-four thousand, sixty-eight".