20011211002 has 8 divisors (see below), whose sum is σ = 30314013012. Its totient is φ = 9906540000.

The previous prime is 20011210993. The next prime is 20011211021.

20011211002 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 19630531881 + 380679121 = 140109^2 + 19511^2 .

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 20011211002.

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, 49532499 + ... + 49532902.

Almost surely, 2^20011211002 is an apocalyptic number.

20011211002 is a deficient number, since it is larger than the sum of its proper divisors (10302802010).

20011211002 is a wasteful number, since it uses less digits than its factorization.

20011211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99065504.

The product of its (nonzero) digits is 8, while the sum is 10.

The spelling of 20011211002 in words is "twenty billion, eleven million, two hundred eleven thousand, two".