16720033000 has 64 divisors (see below), whose sum is σ = 42681712320. Its totient is φ = 6080008000.

The previous prime is 16720032997. The next prime is 16720033007. The reversal of 16720033000 is 33002761.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (16720033007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749002 + ... + 771001.

It is an arithmetic number, because the mean of its divisors is an integer number (666901755).

Almost surely, 2^16720033000 is an apocalyptic number.

16720033000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16720033000 is an abundant number, since it is smaller than the sum of its proper divisors (25961679320).

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

16720033000 is a wasteful number, since it uses less digits than its factorization.

16720033000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520035 (or 1520021 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 16720033000 its reverse (33002761), we get a palindrome (16753035761).

The spelling of 16720033000 in words is "sixteen billion, seven hundred twenty million, thirty-three thousand".