20085396 has 24 divisors (see below), whose sum is σ = 48378624. Its totient is φ = 6479040.

The previous prime is 20085383. The next prime is 20085397. The reversal of 20085396 is 69358002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20085397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26625 + ... + 27368.

It is an arithmetic number, because the mean of its divisors is an integer number (2015776).

Almost surely, 2^20085396 is an apocalyptic number.

It is an amenable number.

20085396 is an abundant number, since it is smaller than the sum of its proper divisors (28293228).

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

20085396 is a wasteful number, since it uses less digits than its factorization.

20085396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54031 (or 54029 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 20085396 is about 4481.6733482038. The cubic root of 20085396 is about 271.8275471151.

The spelling of 20085396 in words is "twenty million, eighty-five thousand, three hundred ninety-six".