20206030311 has 16 divisors (see below), whose sum is σ = 31236376320. Its totient is φ = 12885004440.

The previous prime is 20206030307. The next prime is 20206030337. The reversal of 20206030311 is 11303060202.

It is not a de Polignac number, because 20206030311 - 2² = 20206030307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20206030511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16268325 + ... + 16269566.

It is an arithmetic number, because the mean of its divisors is an integer number (1952273520).

Almost surely, 2^20206030311 is an apocalyptic number.

20206030311 is a deficient number, since it is larger than the sum of its proper divisors (11030346009).

20206030311 is a wasteful number, since it uses less digits than its factorization.

20206030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32537923 (or 32537917 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20206030311 its reverse (11303060202), we get a palindrome (31509090513).

The spelling of 20206030311 in words is "twenty billion, two hundred six million, thirty thousand, three hundred eleven".