16920700 has 36 divisors (see below), whose sum is σ = 37622592. Its totient is φ = 6601600.

The previous prime is 16920679. The next prime is 16920713. The reversal of 16920700 is 702961.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2037 + ... + 6163.

It is an arithmetic number, because the mean of its divisors is an integer number (1045072).

Almost surely, 2^16920700 is an apocalyptic number.

16920700 is a gapful number since it is divisible by the number (10) 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 16920700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18811296).

16920700 is an abundant number, since it is smaller than the sum of its proper divisors (20701892).

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

16920700 is a wasteful number, since it uses less digits than its factorization.

16920700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182 (or 4175 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 16920700 is about 4113.4778472723. The cubic root of 16920700 is about 256.7277267071.

The spelling of 16920700 in words is "sixteen million, nine hundred twenty thousand, seven hundred".