20450352 has 60 divisors (see below), whose sum is σ = 57229224. Its totient is φ = 6289920.

The previous prime is 20450351. The next prime is 20450357. The reversal of 20450352 is 25305402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20450351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6852 + ... + 9372.

Almost surely, 2^20450352 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 20450352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28614612).

20450352 is an abundant number, since it is smaller than the sum of its proper divisors (36778872).

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

20450352 is a wasteful number, since it uses less digits than its factorization.

20450352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558 (or 2539 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 20450352 is about 4522.2065410594. The cubic root of 20450352 is about 273.4640633155.

Adding to 20450352 its reverse (25305402), we get a palindrome (45755754).

It can be divided in two parts, 20450 and 352, that added together give a palindrome (20802).

The spelling of 20450352 in words is "twenty million, four hundred fifty thousand, three hundred fifty-two".