20205350 has 48 divisors (see below), whose sum is σ = 43430256. Its totient is φ = 6912000.

The previous prime is 20205343. The next prime is 20205371. The reversal of 20205350 is 5350202.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8270 + ... + 10430.

It is an arithmetic number, because the mean of its divisors is an integer number (904797).

Almost surely, 2^20205350 is an apocalyptic number.

20205350 is an abundant number, since it is smaller than the sum of its proper divisors (23224906).

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

20205350 is a wasteful number, since it uses less digits than its factorization.

20205350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201 (or 2196 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 20205350 is about 4495.0361511338. The cubic root of 20205350 is about 272.3676095674.

Adding to 20205350 its reverse (5350202), we get a palindrome (25555552).

The spelling of 20205350 in words is "twenty million, two hundred five thousand, three hundred fifty".