20052347 has 16 divisors (see below), whose sum is σ = 23522304. Its totient is φ = 16740000.

The previous prime is 20052341. The next prime is 20052397. The reversal of 20052347 is 74325002.

It is a cyclic number.

It is not a de Polignac number, because 20052347 - 2⁶ = 20052283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20052341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64322 + ... + 64632.

It is an arithmetic number, because the mean of its divisors is an integer number (1470144).

Almost surely, 2^20052347 is an apocalyptic number.

20052347 is a deficient number, since it is larger than the sum of its proper divisors (3469957).

20052347 is a wasteful number, since it uses less digits than its factorization.

20052347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 20052347 is about 4477.9847029663. The cubic root of 20052347 is about 271.6783747113.

Adding to 20052347 its reverse (74325002), we get a palindrome (94377349).

The spelling of 20052347 in words is "twenty million, fifty-two thousand, three hundred forty-seven".