20584272746 has 16 divisors (see below), whose sum is σ = 31020207360. Its totient is φ = 10244277360.

The previous prime is 20584272733. The next prime is 20584272749. The reversal of 20584272746 is 64727248502.

It is a self number, because there is not a number n which added to its sum of digits gives 20584272746.

It is not an unprimeable number, because it can be changed into a prime (20584272749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561635 + ... + 597161.

It is an arithmetic number, because the mean of its divisors is an integer number (1938762960).

Almost surely, 2^20584272746 is an apocalyptic number.

20584272746 is a deficient number, since it is larger than the sum of its proper divisors (10435934614).

20584272746 is a wasteful number, since it uses less digits than its factorization.

20584272746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36869.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 20584272746 in words is "twenty billion, five hundred eighty-four million, two hundred seventy-two thousand, seven hundred forty-six".