20794000501 has 16 divisors (see below), whose sum is σ = 22461215040. Its totient is φ = 19186675200.

The previous prime is 20794000499. The next prime is 20794000519. The reversal of 20794000501 is 10500049702.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20794000501 - 2¹ = 20794000499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20794000501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20794000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252351 + ... + 324451.

It is an arithmetic number, because the mean of its divisors is an integer number (1403825940).

Almost surely, 2^20794000501 is an apocalyptic number.

20794000501 is the 72101-st decagonal number.

It is an amenable number.

20794000501 is a deficient number, since it is larger than the sum of its proper divisors (1667214539).

20794000501 is a wasteful number, since it uses less digits than its factorization.

20794000501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72516.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 20794000501 in words is "twenty billion, seven hundred ninety-four million, five hundred one", and thus it is an aban number.