20220120212201 has 48 divisors (see below), whose sum is σ = 25524989702784. Its totient is φ = 15678124180992.

The previous prime is 20220120212191. The next prime is 20220120212203. The reversal of 20220120212201 is 10221202102202.

It is a happy number.

It is not a de Polignac number, because 20220120212201 - 2³⁸ = 19945242305257 is a prime.

It is a super-2 number, since 2×20220120212201² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20220120212201.

It is not an unprimeable number, because it can be changed into a prime (20220120212203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53544890 + ... + 53921196.

It is an arithmetic number, because the mean of its divisors is an integer number (531770618808).

Almost surely, 2^{20220120212201} is an apocalyptic number.

It is an amenable number.

20220120212201 is a deficient number, since it is larger than the sum of its proper divisors (5304869490583).

20220120212201 is a wasteful number, since it uses less digits than its factorization.

20220120212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377250 (or 377237 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20220120212201 its reverse (10221202102202), we get a palindrome (30441322314403).

The spelling of 20220120212201 in words is "twenty trillion, two hundred twenty billion, one hundred twenty million, two hundred twelve thousand, two hundred one".