20003334490049 has 4 divisors (see below), whose sum is σ = 20005831481520. Its totient is φ = 20000837498580.

The previous prime is 20003334490039. The next prime is 20003334490103. The reversal of 20003334490049 is 94009443330002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003334490049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20003334489988 and 20003334490015.

It is not an unprimeable number, because it can be changed into a prime (20003334490039) 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, 1248483719 + ... + 1248499740.

It is an arithmetic number, because the mean of its divisors is an integer number (5001457870380).

Almost surely, 2^{20003334490049} is an apocalyptic number.

It is an amenable number.

20003334490049 is a deficient number, since it is larger than the sum of its proper divisors (2496991471).

20003334490049 is an equidigital number, since it uses as much as digits as its factorization.

20003334490049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496991470.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 20003334490049 in words is "twenty trillion, three billion, three hundred thirty-four million, four hundred ninety thousand, forty-nine".