20000049999999 has 16 divisors (see below), whose sum is σ = 26740147257600. Its totient is φ = 13296698533440.

The previous prime is 20000049999977. The next prime is 20000050000003. The reversal of 20000049999999 is 99999994000002.

It is not a de Polignac number, because 20000049999999 - 2²⁰ = 20000048951423 is a prime.

20000049999999 is a modest number, since divided by 9999999 gives 2000004 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000049999949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2791942 + ... + 6913395.

It is an arithmetic number, because the mean of its divisors is an integer number (1671259203600).

Almost surely, 2^{20000049999999} is an apocalyptic number.

20000049999999 is a deficient number, since it is larger than the sum of its proper divisors (6740097257601).

20000049999999 is a wasteful number, since it uses less digits than its factorization.

20000049999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9707230.

The product of its (nonzero) digits is 38263752, while the sum is 69.

The spelling of 20000049999999 in words is "twenty trillion, forty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".