20110075000 has 96 divisors (see below), whose sum is σ = 49611668400. Its totient is φ = 7620480000.

The previous prime is 20110074989. The next prime is 20110075079. The reversal of 20110075000 is 57001102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453832 + ... + 496168.

Almost surely, 2^20110075000 is an apocalyptic number.

20110075000 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 20110075000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24805834200).

20110075000 is an abundant number, since it is smaller than the sum of its proper divisors (29501593400).

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

20110075000 is an equidigital number, since it uses as much as digits as its factorization.

20110075000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42387 (or 42363 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

Adding to 20110075000 its reverse (57001102), we get a palindrome (20167076102).

The spelling of 20110075000 in words is "twenty billion, one hundred ten million, seventy-five thousand".