20352255 has 64 divisors (see below), whose sum is σ = 41361408. Its totient is φ = 8300160.

The previous prime is 20352203. The next prime is 20352259. The reversal of 20352255 is 55225302.

It is not a de Polignac number, because 20352255 - 2⁶ = 20352191 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77254 + ... + 77516.

It is an arithmetic number, because the mean of its divisors is an integer number (646272).

Almost surely, 2^20352255 is an apocalyptic number.

20352255 is an abundant number, since it is smaller than the sum of its proper divisors (21009153).

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

20352255 is a wasteful number, since it uses less digits than its factorization.

20352255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 20352255 is about 4511.3473597142. The cubic root of 20352255 is about 273.0261081446.

Adding to 20352255 its reverse (55225302), we get a palindrome (75577557).

The spelling of 20352255 in words is "twenty million, three hundred fifty-two thousand, two hundred fifty-five".