20371641460544 has 112 divisors (see below), whose sum is σ = 44516574009600. Its totient is φ = 9172407859200.

The previous prime is 20371641460453. The next prime is 20371641460589. The reversal of 20371641460544 is 44506414617302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300694514 + ... + 300762254.

It is an arithmetic number, because the mean of its divisors is an integer number (397469410800).

Almost surely, 2^{20371641460544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20371641460544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22258287004800).

20371641460544 is an abundant number, since it is smaller than the sum of its proper divisors (24144932549056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20371641460544 is a wasteful number, since it uses less digits than its factorization.

20371641460544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71792 (or 71782 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 20371641460544 in words is "twenty trillion, three hundred seventy-one billion, six hundred forty-one million, four hundred sixty thousand, five hundred forty-four".