20411404212 has 48 divisors (see below), whose sum is σ = 51501139200. Its totient is φ = 6267328512.

The previous prime is 20411404199. The next prime is 20411404249. The reversal of 20411404212 is 21240411402.

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 15 ways as a sum of consecutive naturals, for example, 1054837 + ... + 1074012.

It is an arithmetic number, because the mean of its divisors is an integer number (1072940400).

Almost surely, 2^20411404212 is an apocalyptic number.

It is an amenable number.

20411404212 is an abundant number, since it is smaller than the sum of its proper divisors (31089734988).

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

20411404212 is a wasteful number, since it uses less digits than its factorization.

20411404212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128920 (or 2128918 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20411404212 its reverse (21240411402), we get a palindrome (41651815614).

The spelling of 20411404212 in words is "twenty billion, four hundred eleven million, four hundred four thousand, two hundred twelve".