20443275523364 has 6 divisors (see below), whose sum is σ = 35775732165894. Its totient is φ = 10221637761680.

The previous prime is 20443275523327. The next prime is 20443275523373. The reversal of 20443275523364 is 46332557234402.

It can be written as a sum of positive squares in only one way, i.e., 19892402808100 + 550872715264 = 4460090^2 + 742208^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555409440417 + ... + 2555409440424.

It is an arithmetic number, because the mean of its divisors is an integer number (5962622027649).

Almost surely, 2^{20443275523364} is an apocalyptic number.

It is an amenable number.

20443275523364 is a deficient number, since it is larger than the sum of its proper divisors (15332456642530).

20443275523364 is a wasteful number, since it uses less digits than its factorization.

20443275523364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110818880845 (or 5110818880843 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 50.

The spelling of 20443275523364 in words is "twenty trillion, four hundred forty-three billion, two hundred seventy-five million, five hundred twenty-three thousand, three hundred sixty-four".