20038738423342 has 32 divisors (see below), whose sum is σ = 31725656550144. Its totient is φ = 9479361964800.

The previous prime is 20038738423321. The next prime is 20038738423351. The reversal of 20038738423342 is 24332483783002.

It is a super-5 number, since 5×20038738423342⁵ (a number of 68 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9927553 + ... + 11774284.

It is an arithmetic number, because the mean of its divisors is an integer number (991426767192).

Almost surely, 2^{20038738423342} is an apocalyptic number.

20038738423342 is a deficient number, since it is larger than the sum of its proper divisors (11686918126802).

20038738423342 is a wasteful number, since it uses less digits than its factorization.

20038738423342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21702204.

The product of its (nonzero) digits is 4644864, while the sum is 49.

The spelling of 20038738423342 in words is "twenty trillion, thirty-eight billion, seven hundred thirty-eight million, four hundred twenty-three thousand, three hundred forty-two".