20050345000 has 80 divisors (see below), whose sum is σ = 53689188960. Its totient is φ = 6874392000.

The previous prime is 20050344959. The next prime is 20050345001. The reversal of 20050345000 is 54305002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20050345001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 251434 + ... + 321433.

It is an arithmetic number, because the mean of its divisors is an integer number (671114862).

Almost surely, 2^20050345000 is an apocalyptic number.

20050345000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20050345000 is an abundant number, since it is smaller than the sum of its proper divisors (33638843960).

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

20050345000 is an equidigital number, since it uses as much as digits as its factorization.

20050345000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572900 (or 572881 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The spelling of 20050345000 in words is "twenty billion, fifty million, three hundred forty-five thousand".