20727941 has 8 divisors (see below), whose sum is σ = 22606080. Its totient is φ = 18890352.

The previous prime is 20727911. The next prime is 20727979. The reversal of 20727941 is 14972702.

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

It is not a de Polignac number, because 20727941 - 2⁶ = 20727877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20727898 and 20727907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20727901) 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, 9065 + ... + 11118.

It is an arithmetic number, because the mean of its divisors is an integer number (2825760).

Almost surely, 2^20727941 is an apocalyptic number.

It is an amenable number.

20727941 is a deficient number, since it is larger than the sum of its proper divisors (1878139).

20727941 is a wasteful number, since it uses less digits than its factorization.

20727941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20275.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 20727941 is about 4552.7948559099. The cubic root of 20727941 is about 274.6958223507.

The spelling of 20727941 in words is "twenty million, seven hundred twenty-seven thousand, nine hundred forty-one".