20463274 has 32 divisors (see below), whose sum is σ = 35574336. Its totient is φ = 8743680.

The previous prime is 20463271. The next prime is 20463293. The reversal of 20463274 is 47236402.

It is not an unprimeable number, because it can be changed into a prime (20463271) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29269 + ... + 29959.

It is an arithmetic number, because the mean of its divisors is an integer number (1111698).

Almost surely, 2^20463274 is an apocalyptic number.

20463274 is a deficient number, since it is larger than the sum of its proper divisors (15111062).

20463274 is a wasteful number, since it uses less digits than its factorization.

20463274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 20463274 is about 4523.6350427505. The cubic root of 20463274 is about 273.5216492616.

Adding to 20463274 its reverse (47236402), we get a palindrome (67699676).

The spelling of 20463274 in words is "twenty million, four hundred sixty-three thousand, two hundred seventy-four".