20974041 has 12 divisors (see below), whose sum is σ = 33050160. Its totient is φ = 12711480.

The previous prime is 20974021. The next prime is 20974049. The reversal of 20974041 is 14047902.

It is a happy number.

It is not a de Polignac number, because 20974041 - 2⁶ = 20973977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20973996 and 20974014.

It is not an unprimeable number, because it can be changed into a prime (20974049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105831 + ... + 106028.

It is an arithmetic number, because the mean of its divisors is an integer number (2754180).

Almost surely, 2^20974041 is an apocalyptic number.

It is an amenable number.

20974041 is a deficient number, since it is larger than the sum of its proper divisors (12076119).

20974041 is a wasteful number, since it uses less digits than its factorization.

20974041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211876 (or 211873 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 20974041 is about 4579.7424600080. The cubic root of 20974041 is about 275.7786899502.

The spelling of 20974041 in words is "twenty million, nine hundred seventy-four thousand, forty-one".