20041877720839 has 6 divisors (see below), whose sum is σ = 21702151615056. Its totient is φ = 18500194819080.

The previous prime is 20041877720819. The next prime is 20041877720873. The reversal of 20041877720839 is 93802777814002.

It is not a de Polignac number, because 20041877720839 - 2⁴¹ = 17842854465287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041877720819) 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 5 ways as a sum of consecutive naturals, for example, 59295496047 + ... + 59295496384.

It is an arithmetic number, because the mean of its divisors is an integer number (3617025269176).

Almost surely, 2^{20041877720839} is an apocalyptic number.

20041877720839 is a deficient number, since it is larger than the sum of its proper divisors (1660273894217).

20041877720839 is a wasteful number, since it uses less digits than its factorization.

20041877720839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118590992457 (or 118590992444 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 20041877720839 in words is "twenty trillion, forty-one billion, eight hundred seventy-seven million, seven hundred twenty thousand, eight hundred thirty-nine".