20443401132 has 72 divisors (see below), whose sum is σ = 60533726400. Its totient is φ = 5309972640.

The previous prime is 20443401067. The next prime is 20443401149. The reversal of 20443401132 is 23110434402.

It is a super-4 number, since 4×20443401132⁴ (a number of 42 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1573882 + ... + 1586817.

It is an arithmetic number, because the mean of its divisors is an integer number (840746200).

Almost surely, 2^20443401132 is an apocalyptic number.

20443401132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20443401132 is an abundant number, since it is smaller than the sum of its proper divisors (40090325268).

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

20443401132 is a wasteful number, since it uses less digits than its factorization.

20443401132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160731 (or 3160722 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20443401132 its reverse (23110434402), we get a palindrome (43553835534).

The spelling of 20443401132 in words is "twenty billion, four hundred forty-three million, four hundred one thousand, one hundred thirty-two".