20794360587 has 64 divisors (see below), whose sum is σ = 37511147520. Its totient is φ = 9895017600.

The previous prime is 20794360571. The next prime is 20794360591. The reversal of 20794360587 is 78506349702.

It is not a de Polignac number, because 20794360587 - 2⁴ = 20794360571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20794360537) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 366964 + ... + 419822.

It is an arithmetic number, because the mean of its divisors is an integer number (586111680).

Almost surely, 2^20794360587 is an apocalyptic number.

20794360587 is a deficient number, since it is larger than the sum of its proper divisors (16716786933).

20794360587 is a wasteful number, since it uses less digits than its factorization.

20794360587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53024.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 20794360587 in words is "twenty billion, seven hundred ninety-four million, three hundred sixty thousand, five hundred eighty-seven".