20771004675 has 48 divisors (see below), whose sum is σ = 34793889120. Its totient is φ = 10932387840.

The previous prime is 20771004659. The next prime is 20771004677. The reversal of 20771004675 is 57640017702.

It is not a de Polignac number, because 20771004675 - 2⁴ = 20771004659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20771004677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3848779 + ... + 3854171.

It is an arithmetic number, because the mean of its divisors is an integer number (724872690).

Almost surely, 2^20771004675 is an apocalyptic number.

20771004675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20771004675 is a deficient number, since it is larger than the sum of its proper divisors (14022884445).

20771004675 is a wasteful number, since it uses less digits than its factorization.

20771004675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072 (or 6067 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 39.

The spelling of 20771004675 in words is "twenty billion, seven hundred seventy-one million, four thousand, six hundred seventy-five".