20000545800 has 192 divisors, whose sum is σ = 63232262400. Its totient is φ = 5228236800.

The previous prime is 20000545787. The next prime is 20000545811. The reversal of 20000545800 is 854500002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13431456 + ... + 13432944.

It is an arithmetic number, because the mean of its divisors is an integer number (329334700).

Almost surely, 2^20000545800 is an apocalyptic number.

20000545800 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 20000545800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31616131200).

20000545800 is an abundant number, since it is smaller than the sum of its proper divisors (43231716600).

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

20000545800 is a wasteful number, since it uses less digits than its factorization.

20000545800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1927 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 20000545800 in words is "twenty billion, five hundred forty-five thousand, eight hundred".