20002413 has 4 divisors (see below), whose sum is σ = 26669888. Its totient is φ = 13334940.

The previous prime is 20002399. The next prime is 20002417. The reversal of 20002413 is 31420002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20002413 - 2⁴ = 20002397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3333733 + ... + 3333738.

It is an arithmetic number, because the mean of its divisors is an integer number (6667472).

Almost surely, 2^20002413 is an apocalyptic number.

It is an amenable number.

20002413 is a deficient number, since it is larger than the sum of its proper divisors (6667475).

20002413 is an equidigital number, since it uses as much as digits as its factorization.

20002413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667474.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20002413 is about 4472.4057284643. The cubic root of 20002413 is about 271.4526777033.

Adding to 20002413 its reverse (31420002), we get a palindrome (51422415).

The spelling of 20002413 in words is "twenty million, two thousand, four hundred thirteen".