2020221221202 has 48 divisors (see below), whose sum is σ = 4605092338392. Its totient is φ = 639226218240.

The previous prime is 2020221221201. The next prime is 2020221221231. The reversal of 2020221221202 is 2021221220202.

2020221221202 is a `hidden beast` number, since 2 + 0 + 20 + 221 + 221 + 202 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1875669941601 + 144551279601 = 1369551^2 + 380199^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2020221221201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36964953 + ... + 37019564.

Almost surely, 2^{2020221221202} is an apocalyptic number.

2020221221202 is an abundant number, since it is smaller than the sum of its proper divisors (2584871117190).

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

2020221221202 is a wasteful number, since it uses less digits than its factorization.

2020221221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73984603 (or 73984600 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2020221221202 its reverse (2021221220202), we get a palindrome (4041442441404).

The spelling of 2020221221202 in words is "two trillion, twenty billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred two".