20113212002 has 8 divisors (see below), whose sum is σ = 32490573276. Its totient is φ = 9283020912.

The previous prime is 20113211927. The next prime is 20113212037. The reversal of 20113212002 is 20021231102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16545419641 + 3567792361 = 128629^2 + 59731^2 .

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

It is a super-3 number, since 3×20113212002³ (a number of 32 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 386792513 + ... + 386792564.

Almost surely, 2^20113212002 is an apocalyptic number.

20113212002 is a deficient number, since it is larger than the sum of its proper divisors (12377361274).

20113212002 is a wasteful number, since it uses less digits than its factorization.

20113212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773585092.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20113212002 its reverse (20021231102), we get a palindrome (40134443104).

The spelling of 20113212002 in words is "twenty billion, one hundred thirteen million, two hundred twelve thousand, two".