20020222311 has 4 divisors (see below), whose sum is σ = 26693629752. Its totient is φ = 13346814872.

The previous prime is 20020222283. The next prime is 20020222331. The reversal of 20020222311 is 11322202002.

It is a happy number.

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 20020222311 - 2⁶ = 20020222247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020222331) 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, 3336703716 + ... + 3336703721.

It is an arithmetic number, because the mean of its divisors is an integer number (6673407438).

Almost surely, 2^20020222311 is an apocalyptic number.

20020222311 is a deficient number, since it is larger than the sum of its proper divisors (6673407441).

20020222311 is an equidigital number, since it uses as much as digits as its factorization.

20020222311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673407440.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20020222311 its reverse (11322202002), we get a palindrome (31342424313).

The spelling of 20020222311 in words is "twenty billion, twenty million, two hundred twenty-two thousand, three hundred eleven".