20832490560 has 448 divisors, whose sum is σ = 78372126720. Its totient is φ = 4589813760.

The previous prime is 20832490487. The next prime is 20832490571. The reversal of 20832490560 is 6509423802.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×20832490560² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22424176 + ... + 22425104.

Almost surely, 2^20832490560 is an apocalyptic number.

20832490560 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 20832490560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39186063360).

20832490560 is an abundant number, since it is smaller than the sum of its proper divisors (57539636160).

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

20832490560 is a wasteful number, since it uses less digits than its factorization.

20832490560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 20832490560 in words is "twenty billion, eight hundred thirty-two million, four hundred ninety thousand, five hundred sixty".