20022170002 has 8 divisors (see below), whose sum is σ = 31799917116. Its totient is φ = 9422197632.

The previous prime is 20022169987. The next prime is 20022170009. The reversal of 20022170002 is 20007122002.

It can be written as a sum of positive squares in 2 ways, for example, as 14728006881 + 5294163121 = 121359^2 + 72761^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20022170009) 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, 294443643 + ... + 294443710.

Almost surely, 2^20022170002 is an apocalyptic number.

20022170002 is a deficient number, since it is larger than the sum of its proper divisors (11777747114).

20022170002 is a wasteful number, since it uses less digits than its factorization.

20022170002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588887372.

The product of its (nonzero) digits is 112, while the sum is 16.

Adding to 20022170002 its reverse (20007122002), we get a palindrome (40029292004).

The spelling of 20022170002 in words is "twenty billion, twenty-two million, one hundred seventy thousand, two".