20132112300 has 72 divisors (see below), whose sum is σ = 61675333776. Its totient is φ = 5052764160.

The previous prime is 20132112293. The next prime is 20132112307. The reversal of 20132112300 is 321123102.

It is an interprime number because it is at equal distance from previous prime (20132112293) and next prime (20132112307).

It is a super-2 number, since 2×20132112300² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20132112300.

It is not an unprimeable number, because it can be changed into a prime (20132112307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1968637 + ... + 1978836.

It is an arithmetic number, because the mean of its divisors is an integer number (856601858).

Almost surely, 2^20132112300 is an apocalyptic number.

20132112300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20132112300 is an abundant number, since it is smaller than the sum of its proper divisors (41543221476).

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

20132112300 is a wasteful number, since it uses less digits than its factorization.

20132112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947507 (or 3947500 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20132112300 its reverse (321123102), we get a palindrome (20453235402).

The spelling of 20132112300 in words is "twenty billion, one hundred thirty-two million, one hundred twelve thousand, three hundred".