20732433500 has 96 divisors (see below), whose sum is σ = 46962115200. Its totient is φ = 7986316800.

The previous prime is 20732433479. The next prime is 20732433503. The reversal of 20732433500 is 533423702.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20732433503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6363872 + ... + 6367128.

It is an arithmetic number, because the mean of its divisors is an integer number (489188700).

Almost surely, 2^20732433500 is an apocalyptic number.

20732433500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20732433500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23481057600).

20732433500 is an abundant number, since it is smaller than the sum of its proper divisors (26229681700).

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

20732433500 is a wasteful number, since it uses less digits than its factorization.

20732433500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744 (or 3732 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 29.

The spelling of 20732433500 in words is "twenty billion, seven hundred thirty-two million, four hundred thirty-three thousand, five hundred".