20012120210022 has 256 divisors, whose sum is σ = 46225973514240. Its totient is φ = 5736648572928.

The previous prime is 20012120210021. The next prime is 20012120210023. The reversal of 20012120210022 is 22001202121002.

It is an interprime number because it is at equal distance from previous prime (20012120210021) and next prime (20012120210023).

It is a junction number, because it is equal to n+sod(n) for n = 20012120209983 and 20012120210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012120210021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2346907923 + ... + 2346916449.

It is an arithmetic number, because the mean of its divisors is an integer number (180570209040).

Almost surely, 2^{20012120210022} is an apocalyptic number.

20012120210022 is an abundant number, since it is smaller than the sum of its proper divisors (26213853304218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20012120210022 is a wasteful number, since it uses less digits than its factorization.

20012120210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20012120210022 its reverse (22001202121002), we get a palindrome (42013322331024).

The spelling of 20012120210022 in words is "twenty trillion, twelve billion, one hundred twenty million, two hundred ten thousand, twenty-two".