20408152383043 has 4 divisors (see below), whose sum is σ = 20441444638768. Its totient is φ = 20374860127320.

The previous prime is 20408152383013. The next prime is 20408152383077. The reversal of 20408152383043 is 34038325180402.

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 20408152383043 - 2³³ = 20399562448451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20408152383013) 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, 16646126943 + ... + 16646128168.

It is an arithmetic number, because the mean of its divisors is an integer number (5110361159692).

Almost surely, 2^{20408152383043} is an apocalyptic number.

20408152383043 is a deficient number, since it is larger than the sum of its proper divisors (33292255725).

20408152383043 is an equidigital number, since it uses as much as digits as its factorization.

20408152383043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33292255724.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 20408152383043 in words is "twenty trillion, four hundred eight billion, one hundred fifty-two million, three hundred eighty-three thousand, forty-three".