20078972583 has 8 divisors (see below), whose sum is σ = 27635575296. Its totient is φ = 12954175800.

The previous prime is 20078972581. The next prime is 20078972611. The reversal of 20078972583 is 38527987002.

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

It is not a de Polignac number, because 20078972583 - 2¹ = 20078972581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20078972581) 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 7 ways as a sum of consecutive naturals, for example, 107951373 + ... + 107951558.

It is an arithmetic number, because the mean of its divisors is an integer number (3454446912).

Almost surely, 2^20078972583 is an apocalyptic number.

20078972583 is a deficient number, since it is larger than the sum of its proper divisors (7556602713).

20078972583 is a wasteful number, since it uses less digits than its factorization.

20078972583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215902965.

The product of its (nonzero) digits is 1693440, while the sum is 51.

It can be divided in two parts, 200789 and 72583, that added together give a palindrome (273372).

The spelling of 20078972583 in words is "twenty billion, seventy-eight million, nine hundred seventy-two thousand, five hundred eighty-three".