20049996 has 12 divisors (see below), whose sum is σ = 46783352. Its totient is φ = 6683328.

The previous prime is 20049989. The next prime is 20050003. The reversal of 20049996 is 69994002.

It is an interprime number because it is at equal distance from previous prime (20049989) and next prime (20050003).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835405 + ... + 835428.

Almost surely, 2^20049996 is an apocalyptic number.

It is an amenable number.

20049996 is an abundant number, since it is smaller than the sum of its proper divisors (26733356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20049996 is a wasteful number, since it uses less digits than its factorization.

20049996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670840 (or 1670838 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 20049996 is about 4477.7221887920. The cubic root of 20049996 is about 271.6677568217.

The spelling of 20049996 in words is "twenty million, forty-nine thousand, nine hundred ninety-six".