20213202112002 has 12 divisors (see below), whose sum is σ = 43795271242710. Its totient is φ = 6737734037328.

The previous prime is 20213202111983. The next prime is 20213202112013. The reversal of 20213202112002 is 20021120231202.

20213202112002 is a `hidden beast` number, since 20 + 213 + 20 + 211 + 200 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15529739126841 + 4683462985161 = 3940779^2 + 2164131^2 .

It is a super-2 number, since 2×20213202112002² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1122955672889 = 20213202112002 / (2 + 0 + 2 + 1 + 3 + 2 + 0 + 2 + 1 + 1 + 2 + 0 + 0 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561477836427 + ... + 561477836462.

Almost surely, 2^{20213202112002} is an apocalyptic number.

20213202112002 is an abundant number, since it is smaller than the sum of its proper divisors (23582069130708).

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

20213202112002 is a wasteful number, since it uses less digits than its factorization.

20213202112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122955672897 (or 1122955672894 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20213202112002 its reverse (20021120231202), we get a palindrome (40234322343204).

The spelling of 20213202112002 in words is "twenty trillion, two hundred thirteen billion, two hundred two million, one hundred twelve thousand, two".