20350232 has 16 divisors (see below), whose sum is σ = 43607760. Its totient is φ = 8721504.

The previous prime is 20350217. The next prime is 20350243. The reversal of 20350232 is 23205302.

It is a self number, because there is not a number n which added to its sum of digits gives 20350232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181643 + ... + 181754.

It is an arithmetic number, because the mean of its divisors is an integer number (2725485).

Almost surely, 2^20350232 is an apocalyptic number.

It is an amenable number.

20350232 is an abundant number, since it is smaller than the sum of its proper divisors (23257528).

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

20350232 is a wasteful number, since it uses less digits than its factorization.

20350232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363410 (or 363406 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 20350232 is about 4511.1231417464. The cubic root of 20350232 is about 273.0170616430.

Adding to 20350232 its reverse (23205302), we get a palindrome (43555534).

The spelling of 20350232 in words is "twenty million, three hundred fifty thousand, two hundred thirty-two".