20486741 has 8 divisors (see below), whose sum is σ = 22399200. Its totient is φ = 18582640.

The previous prime is 20486707. The next prime is 20486743. The reversal of 20486741 is 14768402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20486741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20486698 and 20486707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20486743) 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, 3770 + ... + 7428.

It is an arithmetic number, because the mean of its divisors is an integer number (2799900).

Almost surely, 2^20486741 is an apocalyptic number.

It is an amenable number.

20486741 is a deficient number, since it is larger than the sum of its proper divisors (1912459).

20486741 is a wasteful number, since it uses less digits than its factorization.

20486741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 20486741 is about 4526.2281206320. The cubic root of 20486741 is about 273.6261662688.

The spelling of 20486741 in words is "twenty million, four hundred eighty-six thousand, seven hundred forty-one".