20411211004 has 12 divisors (see below), whose sum is σ = 35741187664. Its totient is φ = 10199443104.

The previous prime is 20411210977. The next prime is 20411211043. The reversal of 20411211004 is 40011211402.

It is a happy number.

It is a congruent number.

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, 1533144 + ... + 1546399.

Almost surely, 2^20411211004 is an apocalyptic number.

It is an amenable number.

20411211004 is a deficient number, since it is larger than the sum of its proper divisors (15329976660).

20411211004 is a wasteful number, since it uses less digits than its factorization.

20411211004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081204 (or 3081202 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20411211004 its reverse (40011211402), we get a palindrome (60422422406).

The spelling of 20411211004 in words is "twenty billion, four hundred eleven million, two hundred eleven thousand, four".