20052707 has 4 divisors (see below), whose sum is σ = 21232296. Its totient is φ = 18873120.

The previous prime is 20052701. The next prime is 20052719. The reversal of 20052707 is 70725002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20052707 - 2¹⁰ = 20051683 is a prime.

It is a super-2 number, since 2×20052707² = 804222116055698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20052701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589769 + ... + 589802.

It is an arithmetic number, because the mean of its divisors is an integer number (5308074).

Almost surely, 2^20052707 is an apocalyptic number.

20052707 is a deficient number, since it is larger than the sum of its proper divisors (1179589).

20052707 is a wasteful number, since it uses less digits than its factorization.

20052707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179588.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 20052707 is about 4478.0248994395. The cubic root of 20052707 is about 271.6800005165.

Adding to 20052707 its reverse (70725002), we get a palindrome (90777709).

The spelling of 20052707 in words is "twenty million, fifty-two thousand, seven hundred seven".