196720 has 20 divisors (see below), whose sum is σ = 457560. Its totient is φ = 78656.

The previous prime is 196717. The next prime is 196727. The reversal of 196720 is 27691.

It is a tau number, because it is divible by the number of its divisors (20).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (22878).

2¹⁹⁶⁷²⁰ is an apocalyptic number.

196720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196720 is an abundant number, since it is smaller than the sum of its proper divisors (260840).

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

196720 is a wasteful number, since it uses less digits than its factorization.

196720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2466 counting only the distinct ones).

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

The square root of 196720 is about 443.5312841277. The cubic root of 196720 is about 58.1588984060.

It can be divided in two parts, 1967 and 20, that multiplied together give a triangular number (39340 = T₂₈₀).

The spelling of 196720 in words is "one hundred ninety-six thousand, seven hundred twenty".