20020111022 has 8 divisors (see below), whose sum is σ = 30069838776. Its totient is φ = 9996831432.

The previous prime is 20020111019. The next prime is 20020111049. The reversal of 20020111022 is 22011102002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20020110994 and 20020111012.

It is a congruent number.

It is an unprimeable number.

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, 6610148 + ... + 6613175.

It is an arithmetic number, because the mean of its divisors is an integer number (3758729847).

Almost surely, 2^20020111022 is an apocalyptic number.

20020111022 is a deficient number, since it is larger than the sum of its proper divisors (10049727754).

20020111022 is a wasteful number, since it uses less digits than its factorization.

20020111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13224082.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20020111022 its reverse (22011102002), we get a palindrome (42031213024).

The spelling of 20020111022 in words is "twenty billion, twenty million, one hundred eleven thousand, twenty-two".