20743444801 has 8 divisors (see below), whose sum is σ = 20830692960. Its totient is φ = 20656247808.

The previous prime is 20743444789. The next prime is 20743444819. The reversal of 20743444801 is 10844434702.

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 20743444801 - 2³³ = 12153510209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20743444871) 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 7 ways as a sum of consecutive naturals, for example, 950130 + ... + 971716.

It is an arithmetic number, because the mean of its divisors is an integer number (2603836620).

Almost surely, 2^20743444801 is an apocalyptic number.

It is an amenable number.

20743444801 is a deficient number, since it is larger than the sum of its proper divisors (87248159).

20743444801 is a wasteful number, since it uses less digits than its factorization.

20743444801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25583.

The product of its (nonzero) digits is 86016, while the sum is 37.

The spelling of 20743444801 in words is "twenty billion, seven hundred forty-three million, four hundred forty-four thousand, eight hundred one".