20892384412 has 12 divisors (see below), whose sum is σ = 36700692336. Its totient is φ = 10406472320.

The previous prime is 20892384377. The next prime is 20892384419. The reversal of 20892384412 is 21448329802.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20892384419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9928789 + ... + 9930892.

It is an arithmetic number, because the mean of its divisors is an integer number (3058391028).

Almost surely, 2^20892384412 is an apocalyptic number.

It is an amenable number.

20892384412 is a deficient number, since it is larger than the sum of its proper divisors (15808307924).

20892384412 is a wasteful number, since it uses less digits than its factorization.

20892384412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19859948 (or 19859946 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 20892384412 in words is "twenty billion, eight hundred ninety-two million, three hundred eighty-four thousand, four hundred twelve".