20047041 has 32 divisors (see below), whose sum is σ = 34430720. Its totient is φ = 11290752.

The previous prime is 20047037. The next prime is 20047121. The reversal of 20047041 is 14074002.

It is a happy number.

It is not a de Polignac number, because 20047041 - 2² = 20047037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20047241) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 13071 + ... + 14523.

It is an arithmetic number, because the mean of its divisors is an integer number (1075960).

Almost surely, 2^20047041 is an apocalyptic number.

20047041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20047041 is a deficient number, since it is larger than the sum of its proper divisors (14383679).

20047041 is a wasteful number, since it uses less digits than its factorization.

20047041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 20047041 is about 4477.3922097578. The cubic root of 20047041 is about 271.6544098919.

It can be divided in two parts, 2004 and 7041, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 20047041 in words is "twenty million, forty-seven thousand, forty-one".