20450034032 has 20 divisors (see below), whose sum is σ = 39674305176. Its totient is φ = 10211503680.

The previous prime is 20450034013. The next prime is 20450034053. The reversal of 20450034032 is 23043005402.

It is a junction number, because it is equal to n+sod(n) for n = 20450033989 and 20450034007.

It is a congruent number.

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, 832094 + ... + 856317.

Almost surely, 2^20450034032 is an apocalyptic number.

It is an amenable number.

20450034032 is a deficient number, since it is larger than the sum of its proper divisors (19224271144).

20450034032 is a wasteful number, since it uses less digits than its factorization.

20450034032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689176 (or 1689170 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 20450034032 its reverse (23043005402), we get a palindrome (43493039434).

The spelling of 20450034032 in words is "twenty billion, four hundred fifty million, thirty-four thousand, thirty-two".