20300745472 has 162 divisors, whose sum is σ = 49760683308. Its totient is φ = 8240569344.

The previous prime is 20300745389. The next prime is 20300745559. The reversal of 20300745472 is 27454700302.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4526143 + ... + 4530625.

Almost surely, 2^20300745472 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 20300745472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24880341654).

20300745472 is an abundant number, since it is smaller than the sum of its proper divisors (29459937836).

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

20300745472 is an equidigital number, since it uses as much as digits as its factorization.

20300745472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551 (or 4511 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

The spelling of 20300745472 in words is "twenty billion, three hundred million, seven hundred forty-five thousand, four hundred seventy-two".