20055043412 has 24 divisors (see below), whose sum is σ = 37178867880. Its totient is φ = 9433082880.

The previous prime is 20055043391. The next prime is 20055043417. The reversal of 20055043412 is 21434055002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12726998596 + 7328044816 = 112814^2 + 85604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055043417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71462 + ... + 212642.

It is an arithmetic number, because the mean of its divisors is an integer number (1549119495).

Almost surely, 2^20055043412 is an apocalyptic number.

It is an amenable number.

20055043412 is a deficient number, since it is larger than the sum of its proper divisors (17123824468).

20055043412 is a wasteful number, since it uses less digits than its factorization.

20055043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143291 (or 143289 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20055043412 its reverse (21434055002), we get a palindrome (41489098414).

The spelling of 20055043412 in words is "twenty billion, fifty-five million, forty-three thousand, four hundred twelve".