20532354744 has 256 divisors, whose sum is σ = 59175567360. Its totient is φ = 5880384000.

The previous prime is 20532354737. The next prime is 20532354749. The reversal of 20532354744 is 44745323502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20532354749) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113438334 + ... + 113438514.

It is an arithmetic number, because the mean of its divisors is an integer number (231154560).

Almost surely, 2^20532354744 is an apocalyptic number.

20532354744 is a gapful number since it is divisible by the number (24) 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 20532354744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29587783680).

20532354744 is an abundant number, since it is smaller than the sum of its proper divisors (38643212616).

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

20532354744 is a wasteful number, since it uses less digits than its factorization.

20532354744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 39.

The spelling of 20532354744 in words is "twenty billion, five hundred thirty-two million, three hundred fifty-four thousand, seven hundred forty-four".