20000120210122 has 64 divisors (see below), whose sum is σ = 33360468793344. Its totient is φ = 8934236075520.

The previous prime is 20000120210107. The next prime is 20000120210167. The reversal of 20000120210122 is 22101202100002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

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 31 ways as a sum of consecutive naturals, for example, 85196247 + ... + 85430677.

It is an arithmetic number, because the mean of its divisors is an integer number (521257324896).

Almost surely, 2^{20000120210122} is an apocalyptic number.

20000120210122 is a deficient number, since it is larger than the sum of its proper divisors (13360348583222).

20000120210122 is a wasteful number, since it uses less digits than its factorization.

20000120210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235183.

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

Adding to 20000120210122 its reverse (22101202100002), we get a palindrome (42101322310124).

The spelling of 20000120210122 in words is "twenty trillion, one hundred twenty million, two hundred ten thousand, one hundred twenty-two".