20486727 has 6 divisors (see below), whose sum is σ = 29591952. Its totient is φ = 13657812.

The previous prime is 20486707. The next prime is 20486743. The reversal of 20486727 is 72768402.

It is not a de Polignac number, because 20486727 - 2⁶ = 20486663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20486691 and 20486700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20486707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1138143 + ... + 1138160.

It is an arithmetic number, because the mean of its divisors is an integer number (4931992).

Almost surely, 2^20486727 is an apocalyptic number.

20486727 is a deficient number, since it is larger than the sum of its proper divisors (9105225).

20486727 is a wasteful number, since it uses less digits than its factorization.

20486727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276309 (or 2276306 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 20486727 is about 4526.2265740902. The cubic root of 20486727 is about 273.6261039396.

The spelling of 20486727 in words is "twenty million, four hundred eighty-six thousand, seven hundred twenty-seven".