196450920 has 112 divisors (see below), whose sum is σ = 662817060. Its totient is φ = 52379136.

The previous prime is 196450907. The next prime is 196450931. The reversal of 196450920 is 29054691.

196450920 is a `hidden beast` number, since 1 + 9 + 645 + 0 + 9 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 195608196 + 842724 = 13986^2 + 918^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 25792 + ... + 32528.

Almost surely, 2^196450920 is an apocalyptic number.

196450920 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 196450920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331408530).

196450920 is an abundant number, since it is smaller than the sum of its proper divisors (466366140).

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

196450920 is an equidigital number, since it uses as much as digits as its factorization.

196450920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766 (or 6747 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 196450920 is about 14016.0950339244. The cubic root of 196450920 is about 581.3236909692.

The spelling of 196450920 in words is "one hundred ninety-six million, four hundred fifty thousand, nine hundred twenty".