20773431606433 has 8 divisors (see below), whose sum is σ = 22739269847616. Its totient is φ = 18820484108400.

The previous prime is 20773431606371. The next prime is 20773431606439. The reversal of 20773431606433 is 33460613437702.

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

It is a cyclic number.

It is not a de Polignac number, because 20773431606433 - 2⁹ = 20773431605921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20773431606439) 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, 3222682413 + ... + 3222688858.

It is an arithmetic number, because the mean of its divisors is an integer number (2842408730952).

Almost surely, 2^{20773431606433} is an apocalyptic number.

It is an amenable number.

20773431606433 is a deficient number, since it is larger than the sum of its proper divisors (1965838241183).

20773431606433 is a wasteful number, since it uses less digits than its factorization.

20773431606433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445371575.

The product of its (nonzero) digits is 4572288, while the sum is 49.

The spelling of 20773431606433 in words is "twenty trillion, seven hundred seventy-three billion, four hundred thirty-one million, six hundred six thousand, four hundred thirty-three".