20113232000 has 64 divisors (see below), whose sum is σ = 50006562840. Its totient is φ = 8045286400.

The previous prime is 20113231987. The next prime is 20113232003. The reversal of 20113232000 is 23231102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1580221504 + 18533010496 = 39752^2 + 136136^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (20113232003) 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, 612539 + ... + 644538.

Almost surely, 2^20113232000 is an apocalyptic number.

20113232000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113232000 is an abundant number, since it is smaller than the sum of its proper divisors (29893330840).

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

20113232000 is an equidigital number, since it uses as much as digits as its factorization.

20113232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257106 (or 1257084 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20113232000 its reverse (23231102), we get a palindrome (20136463102).

The spelling of 20113232000 in words is "twenty billion, one hundred thirteen million, two hundred thirty-two thousand".