20301131 has 8 divisors (see below), whose sum is σ = 21092400. Its totient is φ = 19516000.

The previous prime is 20301121. The next prime is 20301137. The reversal of 20301131 is 13110302.

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

It is a cyclic number.

It is not a de Polignac number, because 20301131 - 2¹⁸ = 20038987 is a prime.

It is a super-2 number, since 2×20301131² = 824271839758322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301137) 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 7 ways as a sum of consecutive naturals, for example, 5885 + ... + 8673.

It is an arithmetic number, because the mean of its divisors is an integer number (2636550).

Almost surely, 2^20301131 is an apocalyptic number.

20301131 is a deficient number, since it is larger than the sum of its proper divisors (791269).

20301131 is a wasteful number, since it uses less digits than its factorization.

20301131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 20301131 is about 4505.6776404887. The cubic root of 20301131 is about 272.7973064623.

Adding to 20301131 its reverse (13110302), we get a palindrome (33411433).

The spelling of 20301131 in words is "twenty million, three hundred one thousand, one hundred thirty-one".