20052713 has 8 divisors (see below), whose sum is σ = 20597640. Its totient is φ = 19514880.

The previous prime is 20052701. The next prime is 20052719. The reversal of 20052713 is 31725002.

It can be written as a sum of positive squares in 4 ways, for example, as 2647129 + 17405584 = 1627^2 + 4172^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20052713 - 2⁸ = 20052457 is a prime.

It is a super-2 number, since 2×20052713² = 804222597320738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20052719) 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, 4223 + ... + 7611.

It is an arithmetic number, because the mean of its divisors is an integer number (2574705).

Almost surely, 2^20052713 is an apocalyptic number.

It is an amenable number.

20052713 is a deficient number, since it is larger than the sum of its proper divisors (544927).

20052713 is an equidigital number, since it uses as much as digits as its factorization.

20052713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20052713 is about 4478.0255693776. The cubic root of 20052713 is about 271.6800276131.

Adding to 20052713 its reverse (31725002), we get a palindrome (51777715).

The spelling of 20052713 in words is "twenty million, fifty-two thousand, seven hundred thirteen".