202022202001 has 4 divisors (see below), whose sum is σ = 202025826100. Its totient is φ = 202018577904.

The previous prime is 202022201957. The next prime is 202022202007. The reversal of 202022202001 is 100202220202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123060640000 + 78961562001 = 350800^2 + 281001^2 .

It is a cyclic number.

It is not a de Polignac number, because 202022202001 - 2⁹ = 202022201489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202022202007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1727106 + ... + 1840363.

It is an arithmetic number, because the mean of its divisors is an integer number (50506456525).

Almost surely, 2^202022202001 is an apocalyptic number.

It is an amenable number.

202022202001 is a deficient number, since it is larger than the sum of its proper divisors (3624099).

202022202001 is an equidigital number, since it uses as much as digits as its factorization.

202022202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624098.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 202022202001 its reverse (100202220202), we get a palindrome (302224422203).

The spelling of 202022202001 in words is "two hundred two billion, twenty-two million, two hundred two thousand, one".