20411432412 has 96 divisors (see below), whose sum is σ = 55807653888. Its totient is φ = 5685264384.

The previous prime is 20411432411. The next prime is 20411432417. The reversal of 20411432412 is 21423411402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411432411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1004578 + ... + 1024694.

It is an arithmetic number, because the mean of its divisors is an integer number (581329728).

Almost surely, 2^20411432412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20411432412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27903826944).

20411432412 is an abundant number, since it is smaller than the sum of its proper divisors (35396221476).

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

20411432412 is a wasteful number, since it uses less digits than its factorization.

20411432412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20435 (or 20433 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20411432412 its reverse (21423411402), we get a palindrome (41834843814).

The spelling of 20411432412 in words is "twenty billion, four hundred eleven million, four hundred thirty-two thousand, four hundred twelve".