20445532560336 has 160 divisors (see below), whose sum is σ = 56952003727360. Its totient is φ = 6283032509952.

The previous prime is 20445532560269. The next prime is 20445532560373. The reversal of 20445532560336 is 63306523554402.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1934842125 + ... + 1934852691.

It is an arithmetic number, because the mean of its divisors is an integer number (355950023296).

Almost surely, 2^{20445532560336} is an apocalyptic number.

20445532560336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20445532560336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28476001863680).

20445532560336 is an abundant number, since it is smaller than the sum of its proper divisors (36506471167024).

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

20445532560336 is a wasteful number, since it uses less digits than its factorization.

20445532560336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14193 (or 14187 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 48.

The spelling of 20445532560336 in words is "twenty trillion, four hundred forty-five billion, five hundred thirty-two million, five hundred sixty thousand, three hundred thirty-six".