20112020122 has 4 divisors (see below), whose sum is σ = 30168030186. Its totient is φ = 10056010060.

The previous prime is 20112020083. The next prime is 20112020129. The reversal of 20112020122 is 22102021102.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 17990588641 + 2121431481 = 134129^2 + 46059^2 .

It is not an unprimeable number, because it can be changed into a prime (20112020129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028005029 + ... + 5028005032.

Almost surely, 2^20112020122 is an apocalyptic number.

20112020122 is a deficient number, since it is larger than the sum of its proper divisors (10056010064).

20112020122 is a wasteful number, since it uses less digits than its factorization.

20112020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056010063.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20112020122 its reverse (22102021102), we get a palindrome (42214041224).

The spelling of 20112020122 in words is "twenty billion, one hundred twelve million, twenty thousand, one hundred twenty-two".