20312443642054 has 8 divisors (see below), whose sum is σ = 30485811594168. Its totient is φ = 10150506444000.

The previous prime is 20312443642031. The next prime is 20312443642091. The reversal of 20312443642054 is 45024634421302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20312443641998 and 20312443642016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2857684072 + ... + 2857691179.

It is an arithmetic number, because the mean of its divisors is an integer number (3810726449271).

Almost surely, 2^{20312443642054} is an apocalyptic number.

20312443642054 is a deficient number, since it is larger than the sum of its proper divisors (10173367952114).

20312443642054 is a wasteful number, since it uses less digits than its factorization.

20312443642054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715377030.

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 20312443642054 in words is "twenty trillion, three hundred twelve billion, four hundred forty-three million, six hundred forty-two thousand, fifty-four".