20020112211002 has 4 divisors (see below), whose sum is σ = 30030168316506. Its totient is φ = 10010056105500.

The previous prime is 20020112210993. The next prime is 20020112211023. The reversal of 20020112211002 is 20011221102002.

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

It can be written as a sum of positive squares in only one way, i.e., 18680539765801 + 1339572445201 = 4322099^2 + 1157399^2 .

It is a super-2 number, since 2×20020112211002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005028052749 + ... + 5005028052752.

Almost surely, 2^{20020112211002} is an apocalyptic number.

20020112211002 is a deficient number, since it is larger than the sum of its proper divisors (10010056105504).

20020112211002 is a wasteful number, since it uses less digits than its factorization.

20020112211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010056105503.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020112211002 its reverse (20011221102002), we get a palindrome (40031333313004).

The spelling of 20020112211002 in words is "twenty trillion, twenty billion, one hundred twelve million, two hundred eleven thousand, two".