20090592 has 120 divisors (see below), whose sum is σ = 61837776. Its totient is φ = 6386688.

The previous prime is 20090561. The next prime is 20090599. The reversal of 20090592 is 29509002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20090599) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 59448 + ... + 59784.

Almost surely, 2^20090592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20090592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30918888).

20090592 is an abundant number, since it is smaller than the sum of its proper divisors (41747184).

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

20090592 is a wasteful number, since it uses less digits than its factorization.

20090592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 20090592 is about 4482.2530049072. The cubic root of 20090592 is about 271.8509852748.

Adding to 20090592 its reverse (29509002), we get a palindrome (49599594).

The spelling of 20090592 in words is "twenty million, ninety thousand, five hundred ninety-two".