20540014 has 16 divisors (see below), whose sum is σ = 33872256. Its totient is φ = 9263800.

The previous prime is 20539997. The next prime is 20540017. The reversal of 20540014 is 41004502.

It is a self number, because there is not a number n which added to its sum of digits gives 20540014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20540017) 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, 682 + ... + 6445.

It is an arithmetic number, because the mean of its divisors is an integer number (2117016).

Almost surely, 2^20540014 is an apocalyptic number.

20540014 is a deficient number, since it is larger than the sum of its proper divisors (13332242).

20540014 is a wasteful number, since it uses less digits than its factorization.

20540014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20540014 is about 4532.1092219848. The cubic root of 20540014 is about 273.8631369336.

Adding to 20540014 its reverse (41004502), we get a palindrome (61544516).

The spelling of 20540014 in words is "twenty million, five hundred forty thousand, fourteen".