20364415670444 has 24 divisors (see below), whose sum is σ = 37965365941440. Its totient is φ = 9530081648784.

The previous prime is 20364415670441. The next prime is 20364415670477. The reversal of 20364415670444 is 44407651446302.

It is a junction number, because it is equal to n+sod(n) for n = 20364415670392 and 20364415670401.

It is not an unprimeable number, because it can be changed into a prime (20364415670441) 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, 1614167414 + ... + 1614180029.

It is an arithmetic number, because the mean of its divisors is an integer number (1581890247560).

Almost surely, 2^{20364415670444} is an apocalyptic number.

It is an amenable number.

20364415670444 is a deficient number, since it is larger than the sum of its proper divisors (17600950270996).

20364415670444 is a wasteful number, since it uses less digits than its factorization.

20364415670444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228347549 (or 3228347547 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 50.

The spelling of 20364415670444 in words is "twenty trillion, three hundred sixty-four billion, four hundred fifteen million, six hundred seventy thousand, four hundred forty-four".