20300020311 has 4 divisors (see below), whose sum is σ = 27066693752. Its totient is φ = 13533346872.

The previous prime is 20300020291. The next prime is 20300020373. The reversal of 20300020311 is 11302000302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20300020311 - 2¹⁰ = 20300019287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300025311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3383336716 + ... + 3383336721.

It is an arithmetic number, because the mean of its divisors is an integer number (6766673438).

Almost surely, 2^20300020311 is an apocalyptic number.

20300020311 is a deficient number, since it is larger than the sum of its proper divisors (6766673441).

20300020311 is an equidigital number, since it uses as much as digits as its factorization.

20300020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766673440.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20300020311 its reverse (11302000302), we get a palindrome (31602020613).

The spelling of 20300020311 in words is "twenty billion, three hundred million, twenty thousand, three hundred eleven".