20102485338039 has 96 divisors (see below), whose sum is σ = 30159414747840. Its totient is φ = 11838202306560.

The previous prime is 20102485338037. The next prime is 20102485338043. The reversal of 20102485338039 is 93083358420102.

It is not a de Polignac number, because 20102485338039 - 2¹ = 20102485338037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102485338037) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8248864329 + ... + 8248866765.

It is an arithmetic number, because the mean of its divisors is an integer number (314160570290).

Almost surely, 2^{20102485338039} is an apocalyptic number.

20102485338039 is a deficient number, since it is larger than the sum of its proper divisors (10056929409801).

20102485338039 is a wasteful number, since it uses less digits than its factorization.

20102485338039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881 (or 4850 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 20102485338039 in words is "twenty trillion, one hundred two billion, four hundred eighty-five million, three hundred thirty-eight thousand, thirty-nine".