20043311472 has 60 divisors (see below), whose sum is σ = 56103583744. Its totient is φ = 6679895040.

The previous prime is 20043311467. The next prime is 20043311473. The reversal of 20043311472 is 27411334002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043311473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1171008 + ... + 1188000.

Almost surely, 2^20043311472 is an apocalyptic number.

It is an amenable number.

20043311472 is an abundant number, since it is smaller than the sum of its proper divisors (36060272272).

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

20043311472 is a wasteful number, since it uses less digits than its factorization.

20043311472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25198 (or 25189 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 20043311472 its reverse (27411334002), we get a palindrome (47454645474).

The spelling of 20043311472 in words is "twenty billion, forty-three million, three hundred eleven thousand, four hundred seventy-two".