20474021586383 has 4 divisors (see below), whose sum is σ = 20505089905080. Its totient is φ = 20442953267688.

The previous prime is 20474021586331. The next prime is 20474021586413. The reversal of 20474021586383 is 38368512047402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20474021586383 - 2¹⁶ = 20474021520847 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 (20474021586283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15534158360 + ... + 15534159677.

It is an arithmetic number, because the mean of its divisors is an integer number (5126272476270).

Almost surely, 2^{20474021586383} is an apocalyptic number.

20474021586383 is a deficient number, since it is larger than the sum of its proper divisors (31068318697).

20474021586383 is an equidigital number, since it uses as much as digits as its factorization.

20474021586383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31068318696.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 20474021586383 in words is "twenty trillion, four hundred seventy-four billion, twenty-one million, five hundred eighty-six thousand, three hundred eighty-three".