20110020022 has 4 divisors (see below), whose sum is σ = 30165030036. Its totient is φ = 10055010010.

The previous prime is 20110019981. The next prime is 20110020037. The reversal of 20110020022 is 22002001102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20110019990 and 20110020008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027505004 + ... + 5027505007.

It is an arithmetic number, because the mean of its divisors is an integer number (7541257509).

Almost surely, 2^20110020022 is an apocalyptic number.

20110020022 is a deficient number, since it is larger than the sum of its proper divisors (10055010014).

20110020022 is a wasteful number, since it uses less digits than its factorization.

20110020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10055010013.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20110020022 its reverse (22002001102), we get a palindrome (42112021124).

It can be divided in two parts, 201100 and 20022, that added together give a palindrome (221122).

The spelling of 20110020022 in words is "twenty billion, one hundred ten million, twenty thousand, twenty-two".