20143033432 has 32 divisors (see below), whose sum is σ = 39234913920. Its totient is φ = 9684529920.

The previous prime is 20143033409. The next prime is 20143033441. The reversal of 20143033432 is 23433034102.

It is a junction number, because it is equal to n+sod(n) for n = 20143033397 and 20143033406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219733 + ... + 297604.

It is an arithmetic number, because the mean of its divisors is an integer number (1226091060).

Almost surely, 2^20143033432 is an apocalyptic number.

It is an amenable number.

20143033432 is a deficient number, since it is larger than the sum of its proper divisors (19091880488).

20143033432 is a wasteful number, since it uses less digits than its factorization.

20143033432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517531 (or 517527 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20143033432 its reverse (23433034102), we get a palindrome (43576067534).

The spelling of 20143033432 in words is "twenty billion, one hundred forty-three million, thirty-three thousand, four hundred thirty-two".