20010112000 has 88 divisors (see below), whose sum is σ = 49921171560. Its totient is φ = 8003993600.

The previous prime is 20010111977. The next prime is 20010112007. The reversal of 20010112000 is 21101002.

It can be written as a sum of positive squares in 4 ways, for example, as 908660736 + 19101451264 = 30144^2 + 138208^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010112007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49836 + ... + 206164.

Almost surely, 2^20010112000 is an apocalyptic number.

20010112000 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 20010112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24960585780).

20010112000 is an abundant number, since it is smaller than the sum of its proper divisors (29911059560).

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

20010112000 is an equidigital number, since it uses as much as digits as its factorization.

20010112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156364 (or 156336 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20010112000 its reverse (21101002), we get a palindrome (20031213002).

The spelling of 20010112000 in words is "twenty billion, ten million, one hundred twelve thousand".