20038738423350 has 24 divisors (see below), whose sum is σ = 49696071290280. Its totient is φ = 5343663579520.

The previous prime is 20038738423321. The next prime is 20038738423351. The reversal of 20038738423350 is 5332483783002.

It is a happy number.

It is a super-5 number, since 5×20038738423350⁵ (a number of 68 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20038738423350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20038738423351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66795794595 + ... + 66795794894.

It is an arithmetic number, because the mean of its divisors is an integer number (2070669637095).

Almost surely, 2^{20038738423350} is an apocalyptic number.

20038738423350 is an abundant number, since it is smaller than the sum of its proper divisors (29657332866930).

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

20038738423350 is a wasteful number, since it uses less digits than its factorization.

20038738423350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133591589504 (or 133591589499 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 20038738423350 in words is "twenty trillion, thirty-eight billion, seven hundred thirty-eight million, four hundred twenty-three thousand, three hundred fifty".