20119246518678 has 64 divisors (see below), whose sum is σ = 43122018304512. Its totient is φ = 6235405217280.

The previous prime is 20119246518619. The next prime is 20119246518737. The reversal of 20119246518678 is 87681564291102.

It is an interprime number because it is at equal distance from previous prime (20119246518619) and next prime (20119246518737).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 122700468 + ... + 122864328.

It is an arithmetic number, because the mean of its divisors is an integer number (673781536008).

Almost surely, 2^{20119246518678} is an apocalyptic number.

20119246518678 is an abundant number, since it is smaller than the sum of its proper divisors (23002771785834).

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

20119246518678 is a wasteful number, since it uses less digits than its factorization.

20119246518678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178469.

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 20119246518678 in words is "twenty trillion, one hundred nineteen billion, two hundred forty-six million, five hundred eighteen thousand, six hundred seventy-eight".