20894592 has 32 divisors (see below), whose sum is σ = 55502280. Its totient is φ = 6964736.

The previous prime is 20894591. The next prime is 20894593. The reversal of 20894592 is 29549802.

It is an interprime number because it is at equal distance from previous prime (20894591) and next prime (20894593).

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 20894592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20894591) 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, 26823 + ... + 27590.

Almost surely, 2^20894592 is an apocalyptic number.

It is an amenable number.

20894592 is an abundant number, since it is smaller than the sum of its proper divisors (34607688).

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

20894592 is an equidigital number, since it uses as much as digits as its factorization.

20894592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54430 (or 54418 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 20894592 is about 4571.0602708781. The cubic root of 20894592 is about 275.4300357141.

The spelling of 20894592 in words is "twenty million, eight hundred ninety-four thousand, five hundred ninety-two".