20641036003444 has 12 divisors (see below), whose sum is σ = 36121897908544. Its totient is φ = 10320493743864.

The previous prime is 20641036003421. The next prime is 20641036003507. The reversal of 20641036003444 is 44430063014602.

It is a super-2 number, since 2×20641036003444² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4077612 + ... + 7609795.

Almost surely, 2^{20641036003444} is an apocalyptic number.

It is an amenable number.

20641036003444 is a deficient number, since it is larger than the sum of its proper divisors (15480861905100).

20641036003444 is a wasteful number, since it uses less digits than its factorization.

20641036003444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12128934 (or 12128932 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 20641036003444 in words is "twenty trillion, six hundred forty-one billion, thirty-six million, three thousand, four hundred forty-four".