20301331011 has 48 divisors (see below), whose sum is σ = 30632126976. Its totient is φ = 11942356608.

The previous prime is 20301330989. The next prime is 20301331049. The reversal of 20301331011 is 11013310302.

It is not a de Polignac number, because 20301331011 - 2⁵ = 20301330979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20301331091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1014741 + ... + 1034553.

It is an arithmetic number, because the mean of its divisors is an integer number (638169312).

Almost surely, 2^20301331011 is an apocalyptic number.

20301331011 is a deficient number, since it is larger than the sum of its proper divisors (10330795965).

20301331011 is a wasteful number, since it uses less digits than its factorization.

20301331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19932 (or 19919 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20301331011 its reverse (11013310302), we get a palindrome (31314641313).

The spelling of 20301331011 in words is "twenty billion, three hundred one million, three hundred thirty-one thousand, eleven".