20481000793 has 8 divisors (see below), whose sum is σ = 22676387040. Its totient is φ = 18341194080.

The previous prime is 20481000791. The next prime is 20481000797. The reversal of 20481000793 is 39700018402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20481000793 - 2¹ = 20481000791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20481000791) 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, 13894108 + ... + 13895581.

It is an arithmetic number, because the mean of its divisors is an integer number (2834548380).

Almost surely, 2^20481000793 is an apocalyptic number.

20481000793 is the 76497-th centered heptagonal number.

It is an amenable number.

20481000793 is a deficient number, since it is larger than the sum of its proper divisors (2195386247).

20481000793 is a wasteful number, since it uses less digits than its factorization.

20481000793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27789767.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 20481000793 in words is "twenty billion, four hundred eighty-one million, seven hundred ninety-three", and thus it is an aban number.