20204132240412 has 18 divisors (see below), whose sum is σ = 51071556496688. Its totient is φ = 6734710746792.

The previous prime is 20204132240359. The next prime is 20204132240471. The reversal of 20204132240412 is 21404223140202.

It is a happy number.

20204132240412 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 4 + 1 + 3 + 2 + 240 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280612947748 + ... + 280612947819.

Almost surely, 2^{20204132240412} is an apocalyptic number.

It is an amenable number.

20204132240412 is an abundant number, since it is smaller than the sum of its proper divisors (30867424256276).

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

20204132240412 is a wasteful number, since it uses less digits than its factorization.

20204132240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561225895577 (or 561225895572 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20204132240412 its reverse (21404223140202), we get a palindrome (41608355380614).

The spelling of 20204132240412 in words is "twenty trillion, two hundred four billion, one hundred thirty-two million, two hundred forty thousand, four hundred twelve".