20194960 has 80 divisors (see below), whose sum is σ = 49496832. Its totient is φ = 7654400.

The previous prime is 20194957. The next prime is 20194969. The reversal of 20194960 is 6949102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (20194969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154095 + ... + 154225.

Almost surely, 2^20194960 is an apocalyptic number.

20194960 is a gapful number since it is divisible by the number (20) 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 20194960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24748416).

20194960 is an abundant number, since it is smaller than the sum of its proper divisors (29301872).

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

20194960 is a wasteful number, since it uses less digits than its factorization.

20194960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 20194960 is about 4493.8802832296. The cubic root of 20194960 is about 272.3209159167.

The spelling of 20194960 in words is "twenty million, one hundred ninety-four thousand, nine hundred sixty".