20194764 has 24 divisors (see below), whose sum is σ = 48642048. Its totient is φ = 6514320.

The previous prime is 20194751. The next prime is 20194771. The reversal of 20194764 is 46749102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26772 + ... + 27515.

It is an arithmetic number, because the mean of its divisors is an integer number (2026752).

Almost surely, 2^20194764 is an apocalyptic number.

It is an amenable number.

20194764 is an abundant number, since it is smaller than the sum of its proper divisors (28447284).

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

20194764 is a wasteful number, since it uses less digits than its factorization.

20194764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54325 (or 54323 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 20194764 is about 4493.8584757422. The cubic root of 20194764 is about 272.3200349201.

The spelling of 20194764 in words is "twenty million, one hundred ninety-four thousand, seven hundred sixty-four".