20220120101 has 8 divisors (see below), whose sum is σ = 20903328600. Its totient is φ = 19545960960.

The previous prime is 20220120097. The next prime is 20220120187. The reversal of 20220120101 is 10102102202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6356235076 + 13863885025 = 79726^2 + 117745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20220120101 - 2² = 20220120097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220120191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2257796 + ... + 2266733.

It is an arithmetic number, because the mean of its divisors is an integer number (2612916075).

Almost surely, 2^20220120101 is an apocalyptic number.

It is an amenable number.

20220120101 is a deficient number, since it is larger than the sum of its proper divisors (683208499).

20220120101 is a wasteful number, since it uses less digits than its factorization.

20220120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524679.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20220120101 its reverse (10102102202), we get a palindrome (30322222303).

The spelling of 20220120101 in words is "twenty billion, two hundred twenty million, one hundred twenty thousand, one hundred one".