20056582004 has 12 divisors (see below), whose sum is σ = 36309329700. Its totient is φ = 9682487808.

The previous prime is 20056582003. The next prime is 20056582019. The reversal of 20056582004 is 40028565002.

It can be written as a sum of positive squares in 2 ways, for example, as 10432579600 + 9624002404 = 102140^2 + 98102^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20056582003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86450669 + ... + 86450900.

It is an arithmetic number, because the mean of its divisors is an integer number (3025777475).

Almost surely, 2^20056582004 is an apocalyptic number.

It is an amenable number.

20056582004 is a deficient number, since it is larger than the sum of its proper divisors (16252747696).

20056582004 is a wasteful number, since it uses less digits than its factorization.

20056582004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172901602 (or 172901600 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 20056582004 in words is "twenty billion, fifty-six million, five hundred eighty-two thousand, four".