20740480000 has 220 divisors, whose sum is σ = 54100244880. Its totient is φ = 7929856000.

The previous prime is 20740479979. The next prime is 20740480031. The reversal of 20740480000 is 8404702.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14719296 + ... + 14720704.

It is an arithmetic number, because the mean of its divisors is an integer number (245910204).

Almost surely, 2^20740480000 is an apocalyptic number.

20740480000 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 20740480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27050122440).

20740480000 is an abundant number, since it is smaller than the sum of its proper divisors (33359764880).

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

20740480000 is an equidigital number, since it uses as much as digits as its factorization.

20740480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 20740480000 its reverse (8404702), we get a palindrome (20748884702).

The spelling of 20740480000 in words is "twenty billion, seven hundred forty million, four hundred eighty thousand".