20112002002 has 8 divisors (see below), whose sum is σ = 30180616956. Its totient is φ = 10051796352.

The previous prime is 20112001993. The next prime is 20112002003. The reversal of 20112002002 is 20020021102.

It can be written as a sum of positive squares in 2 ways, for example, as 16915343481 + 3196658521 = 130059^2 + 56539^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20112002002.

It is not an unprimeable number, because it can be changed into a prime (20112002003) 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, 2096343 + ... + 2105914.

Almost surely, 2^20112002002 is an apocalyptic number.

20112002002 is a deficient number, since it is larger than the sum of its proper divisors (10068614954).

20112002002 is a wasteful number, since it uses less digits than its factorization.

20112002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204652.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20112002002 its reverse (20020021102), we get a palindrome (40132023104).

The spelling of 20112002002 in words is "twenty billion, one hundred twelve million, two thousand, two".