20413334566444 has 24 divisors (see below), whose sum is σ = 35747908197120. Its totient is φ = 10199648836944.

The previous prime is 20413334566439. The next prime is 20413334566451. The reversal of 20413334566444 is 44466543331402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35175217 + ... + 35750839.

It is an arithmetic number, because the mean of its divisors is an integer number (1489496174880).

Almost surely, 2^{20413334566444} is an apocalyptic number.

It is an amenable number.

20413334566444 is a deficient number, since it is larger than the sum of its proper divisors (15334573630676).

20413334566444 is a wasteful number, since it uses less digits than its factorization.

20413334566444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581709 (or 581707 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 49.

Adding to 20413334566444 its reverse (44466543331402), we get a palindrome (64879877897846).

The spelling of 20413334566444 in words is "twenty trillion, four hundred thirteen billion, three hundred thirty-four million, five hundred sixty-six thousand, four hundred forty-four".