20000120122 has 4 divisors (see below), whose sum is σ = 30000180186. Its totient is φ = 10000060060.

The previous prime is 20000120113. The next prime is 20000120131. The reversal of 20000120122 is 22102100002.

20000120122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22102100002 = 2 ⋅11051050001.

It is an interprime number because it is at equal distance from previous prime (20000120113) and next prime (20000120131).

It can be written as a sum of positive squares in only one way, i.e., 18308525481 + 1691594641 = 135309^2 + 41129^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20000120099 and 20000120108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000030029 + ... + 5000030032.

Almost surely, 2^20000120122 is an apocalyptic number.

20000120122 is a deficient number, since it is larger than the sum of its proper divisors (10000060064).

20000120122 is a wasteful number, since it uses less digits than its factorization.

20000120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000060063.

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

Adding to 20000120122 its reverse (22102100002), we get a palindrome (42102220124).

The spelling of 20000120122 in words is "twenty billion, one hundred twenty thousand, one hundred twenty-two".