196922920 has 16 divisors (see below), whose sum is σ = 443076660. Its totient is φ = 78769152.

The previous prime is 196922911. The next prime is 196922933. The reversal of 196922920 is 29229691.

It can be written as a sum of positive squares in 2 ways, for example, as 192265956 + 4656964 = 13866^2 + 2158^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 4923073 = 196922920 / (1 + 9 + 6 + 9 + 2 + 2 + 9 + 2 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2461497 + ... + 2461576.

Almost surely, 2^196922920 is an apocalyptic number.

196922920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196922920 is an abundant number, since it is smaller than the sum of its proper divisors (246153740).

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

196922920 is a wasteful number, since it uses less digits than its factorization.

196922920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923084 (or 4923080 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 196922920 is about 14032.9227176665. The cubic root of 196922920 is about 581.7888882920.

The spelling of 196922920 in words is "one hundred ninety-six million, nine hundred twenty-two thousand, nine hundred twenty".