20880176834 has 16 divisors (see below), whose sum is σ = 34201327680. Its totient is φ = 9481610160.

The previous prime is 20880176767. The next prime is 20880176851. The reversal of 20880176834 is 43867108802.

It is a super-2 number, since 2×20880176834² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 446174 + ... + 490745.

It is an arithmetic number, because the mean of its divisors is an integer number (2137582980).

Almost surely, 2^20880176834 is an apocalyptic number.

20880176834 is a deficient number, since it is larger than the sum of its proper divisors (13321150846).

20880176834 is a wasteful number, since it uses less digits than its factorization.

20880176834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937945.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 20880176834 in words is "twenty billion, eight hundred eighty million, one hundred seventy-six thousand, eight hundred thirty-four".