20120023300 has 36 divisors (see below), whose sum is σ = 47018949796. Its totient is φ = 7428931200.

The previous prime is 20120023271. The next prime is 20120023369. The reversal of 20120023300 is 332002102.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2005056 + 20118018244 = 1416^2 + 141838^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7737171 + ... + 7739770.

Almost surely, 2^20120023300 is an apocalyptic number.

20120023300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120023300 is an abundant number, since it is smaller than the sum of its proper divisors (26898926496).

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

20120023300 is a wasteful number, since it uses less digits than its factorization.

20120023300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15476968 (or 15476961 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20120023300 its reverse (332002102), we get a palindrome (20452025402).

The spelling of 20120023300 in words is "twenty billion, one hundred twenty million, twenty-three thousand, three hundred".