20143300032 has 168 divisors, whose sum is σ = 59789763072. Its totient is φ = 6477120000.

The previous prime is 20143299989. The next prime is 20143300103. The reversal of 20143300032 is 23000334102.

20143300032 is a `hidden beast` number, since 201 + 433 + 0 + 0 + 0 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20143299978 and 20143300014.

It is a congruent number.

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, 6194407 + ... + 6197657.

Almost surely, 2^20143300032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20143300032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29894881536).

20143300032 is an abundant number, since it is smaller than the sum of its proper divisors (39646463040).

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

20143300032 is a wasteful number, since it uses less digits than its factorization.

20143300032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647 (or 3634 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20143300032 its reverse (23000334102), we get a palindrome (43143634134).

The spelling of 20143300032 in words is "twenty billion, one hundred forty-three million, three hundred thousand, thirty-two".