20343444032 has 28 divisors (see below), whose sum is σ = 40413645360. Its totient is φ = 10160478336.

The previous prime is 20343444013. The next prime is 20343444049. The reversal of 20343444032 is 23044434302.

It is a junction number, because it is equal to n+sod(n) for n = 20343443986 and 20343444004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117182 + ... + 233277.

Almost surely, 2^20343444032 is an apocalyptic number.

It is an amenable number.

20343444032 is a deficient number, since it is larger than the sum of its proper divisors (20070201328).

20343444032 is an equidigital number, since it uses as much as digits as its factorization.

20343444032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351378 (or 351368 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 20343444032 its reverse (23044434302), we get a palindrome (43387878334).

The spelling of 20343444032 in words is "twenty billion, three hundred forty-three million, four hundred forty-four thousand, thirty-two".