20941634 has 8 divisors (see below), whose sum is σ = 35899968. Its totient is φ = 8974980.

The previous prime is 20941607. The next prime is 20941673. The reversal of 20941634 is 43614902.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20941597 and 20941606.

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 3 ways as a sum of consecutive naturals, for example, 747902 + ... + 747929.

It is an arithmetic number, because the mean of its divisors is an integer number (4487496).

Almost surely, 2^20941634 is an apocalyptic number.

20941634 is a deficient number, since it is larger than the sum of its proper divisors (14958334).

20941634 is a wasteful number, since it uses less digits than its factorization.

20941634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495840.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20941634 is about 4576.2030112310. The cubic root of 20941634 is about 275.6365814759.

The spelling of 20941634 in words is "twenty million, nine hundred forty-one thousand, six hundred thirty-four".