20301013 has 4 divisors (see below), whose sum is σ = 20312320. Its totient is φ = 20289708.

The previous prime is 20301007. The next prime is 20301037. The reversal of 20301013 is 31010302.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20301013 - 2¹³ = 20292821 is a prime.

It is a super-2 number, since 2×20301013² = 824262257652338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301313) 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, 2295 + ... + 6772.

It is an arithmetic number, because the mean of its divisors is an integer number (5078080).

Almost surely, 2^20301013 is an apocalyptic number.

It is an amenable number.

20301013 is a deficient number, since it is larger than the sum of its proper divisors (11307).

20301013 is an equidigital number, since it uses as much as digits as its factorization.

20301013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11306.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 20301013 is about 4505.6645458800. The cubic root of 20301013 is about 272.7967779179.

Adding to 20301013 its reverse (31010302), we get a palindrome (51311315).

The spelling of 20301013 in words is "twenty million, three hundred one thousand, thirteen".