20038738423300 has 36 divisors (see below), whose sum is σ = 43501122195300. Its totient is φ = 8012350702720.

The previous prime is 20038738423283. The next prime is 20038738423307. The reversal of 20038738423300 is 332483783002.

It can be written as a sum of positive squares in 6 ways, for example, as 201050004996 + 19837688418304 = 448386^2 + 4453952^2 .

It is a super-5 number, since 5×20038738423300⁵ (a number of 68 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (20038738423307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39052159 + ... + 39561958.

It is an arithmetic number, because the mean of its divisors is an integer number (1208364505425).

Almost surely, 2^{20038738423300} is an apocalyptic number.

20038738423300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20038738423300 is an abundant number, since it is smaller than the sum of its proper divisors (23462383772000).

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

20038738423300 is a wasteful number, since it uses less digits than its factorization.

20038738423300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78616680 (or 78616673 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 20038738423300 in words is "twenty trillion, thirty-eight billion, seven hundred thirty-eight million, four hundred twenty-three thousand, three hundred".