20220020311 has 4 divisors (see below), whose sum is σ = 20221079824. Its totient is φ = 20218960800.

The previous prime is 20220020287. The next prime is 20220020347. The reversal of 20220020311 is 11302002202.

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

It is a cyclic number.

It is not a de Polignac number, because 20220020311 - 2⁵ = 20220020279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220020291 and 20220020300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220020011) 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 3 ways as a sum of consecutive naturals, for example, 500595 + ... + 539476.

It is an arithmetic number, because the mean of its divisors is an integer number (5055269956).

Almost surely, 2^20220020311 is an apocalyptic number.

20220020311 is a deficient number, since it is larger than the sum of its proper divisors (1059513).

20220020311 is a wasteful number, since it uses less digits than its factorization.

20220020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059512.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20220020311 its reverse (11302002202), we get a palindrome (31522022513).

The spelling of 20220020311 in words is "twenty billion, two hundred twenty million, twenty thousand, three hundred eleven".