20714004 has 36 divisors (see below), whose sum is σ = 54168660. Its totient is φ = 6666240.

The previous prime is 20713999. The next prime is 20714011. The reversal of 20714004 is 40041702.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3920400 + 16793604 = 1980^2 + 4098^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8877 + ... + 10964.

It is an arithmetic number, because the mean of its divisors is an integer number (1504685).

Almost surely, 2^20714004 is an apocalyptic number.

It is an amenable number.

20714004 is an abundant number, since it is smaller than the sum of its proper divisors (33454656).

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

20714004 is a wasteful number, since it uses less digits than its factorization.

20714004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19880 (or 19875 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 20714004 is about 4551.2640002531. The cubic root of 20714004 is about 274.6342421219.

Adding to 20714004 its reverse (40041702), we get a palindrome (60755706).

The spelling of 20714004 in words is "twenty million, seven hundred fourteen thousand, four".