20049016 has 32 divisors (see below), whose sum is σ = 40692960. Its totient is φ = 9205632.

The previous prime is 20048981. The next prime is 20049023. The reversal of 20049016 is 61094002.

20049016 is nontrivially palindromic in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26986 + ... + 27718.

It is an arithmetic number, because the mean of its divisors is an integer number (1271655).

Almost surely, 2^20049016 is an apocalyptic number.

20049016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20049016 is an abundant number, since it is smaller than the sum of its proper divisors (20643944).

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

20049016 is a wasteful number, since it uses less digits than its factorization.

20049016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 20049016 is about 4477.6127568158. The cubic root of 20049016 is about 271.6633305741.

The spelling of 20049016 in words is "twenty million, forty-nine thousand, sixteen".