20243150 has 24 divisors (see below), whose sum is σ = 37825704. Its totient is φ = 8060000.

The previous prime is 20243149. The next prime is 20243161. The reversal of 20243150 is 5134202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11744 + ... + 13356.

It is an arithmetic number, because the mean of its divisors is an integer number (1576071).

Almost surely, 2^20243150 is an apocalyptic number.

20243150 is a deficient number, since it is larger than the sum of its proper divisors (17582554).

20243150 is a wasteful number, since it uses less digits than its factorization.

20243150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20243150 is about 4499.2388245124. The cubic root of 20243150 is about 272.5373514437.

Adding to 20243150 its reverse (5134202), we get a palindrome (25377352).

The spelling of 20243150 in words is "twenty million, two hundred forty-three thousand, one hundred fifty".