20633941 has 8 divisors (see below), whose sum is σ = 21466368. Its totient is φ = 19812000.

The previous prime is 20633933. The next prime is 20633953. The reversal of 20633941 is 14933602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20633941 - 2³ = 20633933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20633911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521 + ... + 6601.

It is an arithmetic number, because the mean of its divisors is an integer number (2683296).

Almost surely, 2^20633941 is an apocalyptic number.

It is an amenable number.

20633941 is a deficient number, since it is larger than the sum of its proper divisors (832427).

20633941 is a wasteful number, since it uses less digits than its factorization.

20633941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 20633941 is about 4542.4597961897. The cubic root of 20633941 is about 274.2799499011.

The spelling of 20633941 in words is "twenty million, six hundred thirty-three thousand, nine hundred forty-one".