20790739200 has 1080 divisors, whose sum is σ = 89451212256. Its totient is φ = 4214784000.

The previous prime is 20790739187. The next prime is 20790739201. The reversal of 20790739200 is 293709702.

It is not an unprimeable number, because it can be changed into a prime (20790739201) by changing a digit.

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 119 ways as a sum of consecutive naturals, for example, 507091180 + ... + 507091220.

Almost surely, 2^20790739200 is an apocalyptic number.

20790739200 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 20790739200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44725606128).

20790739200 is an abundant number, since it is smaller than the sum of its proper divisors (68660473056).

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

20790739200 is an equidigital number, since it uses as much as digits as its factorization.

20790739200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The spelling of 20790739200 in words is "twenty billion, seven hundred ninety million, seven hundred thirty-nine thousand, two hundred".