20293244 has 6 divisors (see below), whose sum is σ = 35513184. Its totient is φ = 10146620.

The previous prime is 20293241. The next prime is 20293289. The reversal of 20293244 is 44239202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20293241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2536652 + ... + 2536659.

It is an arithmetic number, because the mean of its divisors is an integer number (5918864).

Almost surely, 2^20293244 is an apocalyptic number.

It is an amenable number.

20293244 is a deficient number, since it is larger than the sum of its proper divisors (15219940).

20293244 is a wasteful number, since it uses less digits than its factorization.

20293244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073315 (or 5073313 counting only the distinct ones).

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

The square root of 20293244 is about 4504.8023264068. The cubic root of 20293244 is about 272.7619745877.

The spelling of 20293244 in words is "twenty million, two hundred ninety-three thousand, two hundred forty-four".