20001101032 has 96 divisors (see below), whose sum is σ = 43827009120. Its totient is φ = 8483460480.

The previous prime is 20001101009. The next prime is 20001101039. The reversal of 20001101032 is 23010110002.

It is not an unprimeable number, because it can be changed into a prime (20001101039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2123758 + ... + 2133154.

It is an arithmetic number, because the mean of its divisors is an integer number (456531345).

Almost surely, 2^20001101032 is an apocalyptic number.

20001101032 is a gapful number since it is divisible by the number (22) 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 20001101032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21913504560).

20001101032 is an abundant number, since it is smaller than the sum of its proper divisors (23825908088).

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

20001101032 is a wasteful number, since it uses less digits than its factorization.

20001101032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9519 (or 9496 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20001101032 its reverse (23010110002), we get a palindrome (43011211034).

The spelling of 20001101032 in words is "twenty billion, one million, one hundred one thousand, thirty-two".