20732347524 has 96 divisors (see below), whose sum is σ = 57158148096. Its totient is φ = 5723562240.

The previous prime is 20732347523. The next prime is 20732347543. The reversal of 20732347524 is 42574323702.

It is not an unprimeable number, because it can be changed into a prime (20732347523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1772704 + ... + 1784360.

It is an arithmetic number, because the mean of its divisors is an integer number (595397376).

Almost surely, 2^20732347524 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 20732347524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28579074048).

20732347524 is an abundant number, since it is smaller than the sum of its proper divisors (36425800572).

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

20732347524 is a wasteful number, since it uses less digits than its factorization.

20732347524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12385 (or 12383 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 39.

The spelling of 20732347524 in words is "twenty billion, seven hundred thirty-two million, three hundred forty-seven thousand, five hundred twenty-four".