20061258684087 has 8 divisors (see below), whose sum is σ = 27471273153136. Its totient is φ = 13012708335552.

The previous prime is 20061258684079. The next prime is 20061258684151. The reversal of 20061258684087 is 78048685216002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20061258684087 - 2³ = 20061258684079 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 (20061258684067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90366029998 + ... + 90366030219.

It is an arithmetic number, because the mean of its divisors is an integer number (3433909144142).

Almost surely, 2^{20061258684087} is an apocalyptic number.

20061258684087 is a deficient number, since it is larger than the sum of its proper divisors (7410014469049).

20061258684087 is a wasteful number, since it uses less digits than its factorization.

20061258684087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180732060257.

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 20061258684087 in words is "twenty trillion, sixty-one billion, two hundred fifty-eight million, six hundred eighty-four thousand, eighty-seven".