20039530560 has 224 divisors, whose sum is σ = 72800577792. Its totient is φ = 4575068160.

The previous prime is 20039530523. The next prime is 20039530561. The reversal of 20039530560 is 6503593002.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (20039530561) 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, 9628720 + ... + 9630800.

Almost surely, 2^20039530560 is an apocalyptic number.

20039530560 is a gapful number since it is divisible by the number (20) 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 20039530560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36400288896).

20039530560 is an abundant number, since it is smaller than the sum of its proper divisors (52761047232).

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

20039530560 is a wasteful number, since it uses less digits than its factorization.

20039530560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The spelling of 20039530560 in words is "twenty billion, thirty-nine million, five hundred thirty thousand, five hundred sixty".