20894074 has 8 divisors (see below), whose sum is σ = 32703840. Its totient is φ = 9992796.

The previous prime is 20894059. The next prime is 20894077. The reversal of 20894074 is 47049802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20894077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227064 + ... + 227155.

It is an arithmetic number, because the mean of its divisors is an integer number (4087980).

Almost surely, 2^20894074 is an apocalyptic number.

20894074 is a deficient number, since it is larger than the sum of its proper divisors (11809766).

20894074 is a wasteful number, since it uses less digits than its factorization.

20894074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454244.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 20894074 is about 4571.0036097120. The cubic root of 20894074 is about 275.4277596237.

The spelling of 20894074 in words is "twenty million, eight hundred ninety-four thousand, seventy-four".