20541726 has 24 divisors (see below), whose sum is σ = 45455904. Its totient is φ = 6701280.

The previous prime is 20541707. The next prime is 20541733. The reversal of 20541726 is 62714502.

20541726 is nontrivially palindromic in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 20541726.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 11295 + ... + 12986.

It is an arithmetic number, because the mean of its divisors is an integer number (1893996).

Almost surely, 2^20541726 is an apocalyptic number.

20541726 is an abundant number, since it is smaller than the sum of its proper divisors (24914178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20541726 is a wasteful number, since it uses less digits than its factorization.

20541726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24336 (or 24333 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 20541726 is about 4532.2980925795. The cubic root of 20541726 is about 273.8707455078.

The spelling of 20541726 in words is "twenty million, five hundred forty-one thousand, seven hundred twenty-six".