20450296 has 16 divisors (see below), whose sum is σ = 38507040. Its totient is φ = 10181760.

The previous prime is 20450281. The next prime is 20450299. The reversal of 20450296 is 69205402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20450299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376 + ... + 7231.

It is an arithmetic number, because the mean of its divisors is an integer number (2406690).

Almost surely, 2^20450296 is an apocalyptic number.

It is an amenable number.

20450296 is a deficient number, since it is larger than the sum of its proper divisors (18056744).

20450296 is a wasteful number, since it uses less digits than its factorization.

20450296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854 (or 10850 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 20450296 is about 4522.2003493875. The cubic root of 20450296 is about 273.4638137028.

Adding to 20450296 its reverse (69205402), we get a palindrome (89655698).

The spelling of 20450296 in words is "twenty million, four hundred fifty thousand, two hundred ninety-six".