20342013 has 8 divisors (see below), whose sum is σ = 28718208. Its totient is φ = 12763584.

The previous prime is 20342011. The next prime is 20342029. The reversal of 20342013 is 31024302.

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

It is not a de Polignac number, because 20342013 - 2¹ = 20342011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20341983 and 20342001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342011) 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, 199381 + ... + 199482.

It is an arithmetic number, because the mean of its divisors is an integer number (3589776).

Almost surely, 2^20342013 is an apocalyptic number.

It is an amenable number.

20342013 is a deficient number, since it is larger than the sum of its proper divisors (8376195).

20342013 is a wasteful number, since it uses less digits than its factorization.

20342013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398883.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20342013 is about 4510.2120792708. The cubic root of 20342013 is about 272.9803015480.

Adding to 20342013 its reverse (31024302), we get a palindrome (51366315).

The spelling of 20342013 in words is "twenty million, three hundred forty-two thousand, thirteen".