20243294 has 12 divisors (see below), whose sum is σ = 32257104. Its totient is φ = 9525984.

The previous prime is 20243291. The next prime is 20243309. The reversal of 20243294 is 49234202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16934 + ... + 18089.

It is an arithmetic number, because the mean of its divisors is an integer number (2688092).

Almost surely, 2^20243294 is an apocalyptic number.

20243294 is a deficient number, since it is larger than the sum of its proper divisors (12013810).

20243294 is a wasteful number, since it uses less digits than its factorization.

20243294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35059 (or 35042 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20243294 is about 4499.2548271908. The cubic root of 20243294 is about 272.5379976753.

Adding to 20243294 its reverse (49234202), we get a palindrome (69477496).

The spelling of 20243294 in words is "twenty million, two hundred forty-three thousand, two hundred ninety-four".