20894488603293 has 16 divisors (see below), whose sum is σ = 27869916246912. Its totient is φ = 13924360632000.

The previous prime is 20894488603279. The next prime is 20894488603301. The reversal of 20894488603293 is 39230688449802.

It is not a de Polignac number, because 20894488603293 - 2¹⁰ = 20894488602269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20894488683293) 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 15 ways as a sum of consecutive naturals, for example, 154453423 + ... + 154588643.

It is an arithmetic number, because the mean of its divisors is an integer number (1741869765432).

Almost surely, 2^{20894488603293} is an apocalyptic number.

It is an amenable number.

20894488603293 is a deficient number, since it is larger than the sum of its proper divisors (6975427643619).

20894488603293 is a wasteful number, since it uses less digits than its factorization.

20894488603293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154436.

The product of its (nonzero) digits is 143327232, while the sum is 66.

The spelling of 20894488603293 in words is "twenty trillion, eight hundred ninety-four billion, four hundred eighty-eight million, six hundred three thousand, two hundred ninety-three".