20411161223644 has 6 divisors (see below), whose sum is σ = 35719532141384. Its totient is φ = 10205580611820.

The previous prime is 20411161223633. The next prime is 20411161223681. The reversal of 20411161223644 is 44632216111402.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2551395152952 + ... + 2551395152959.

Almost surely, 2^{20411161223644} is an apocalyptic number.

It is an amenable number.

20411161223644 is a deficient number, since it is larger than the sum of its proper divisors (15308370917740).

20411161223644 is a wasteful number, since it uses less digits than its factorization.

20411161223644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102790305915 (or 5102790305913 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 20411161223644 in words is "twenty trillion, four hundred eleven billion, one hundred sixty-one million, two hundred twenty-three thousand, six hundred forty-four".