20941485 has 8 divisors (see below), whose sum is σ = 33506400. Its totient is φ = 11168784.

The previous prime is 20941471. The next prime is 20941489. The reversal of 20941485 is 58414902.

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

It is not a de Polignac number, because 20941485 - 2¹⁰ = 20940461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20941489) 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, 698035 + ... + 698064.

It is an arithmetic number, because the mean of its divisors is an integer number (4188300).

Almost surely, 2^20941485 is an apocalyptic number.

It is an amenable number.

20941485 is a deficient number, since it is larger than the sum of its proper divisors (12564915).

20941485 is a wasteful number, since it uses less digits than its factorization.

20941485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396107.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 20941485 is about 4576.1867313299. The cubic root of 20941485 is about 275.6359277551.

The spelling of 20941485 in words is "twenty million, nine hundred forty-one thousand, four hundred eighty-five".