20350596 has 96 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 5356800.

The previous prime is 20350559. The next prime is 20350597. The reversal of 20350596 is 69505302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65281 + ... + 65591.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^20350596 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 20350596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29352960).

20350596 is an abundant number, since it is smaller than the sum of its proper divisors (38355324).

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

20350596 is a wasteful number, since it uses less digits than its factorization.

20350596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 20350596 is about 4511.1634862860. The cubic root of 20350596 is about 273.0186894315.

Adding to 20350596 its reverse (69505302), we get a palindrome (89855898).

The spelling of 20350596 in words is "twenty million, three hundred fifty thousand, five hundred ninety-six".