20413274 has 32 divisors (see below), whose sum is σ = 36564480. Its totient is φ = 8362368.

The previous prime is 20413273. The next prime is 20413279. The reversal of 20413274 is 47231402.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20413273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55439 + ... + 55805.

It is an arithmetic number, because the mean of its divisors is an integer number (1142640).

Almost surely, 2^20413274 is an apocalyptic number.

20413274 is a deficient number, since it is larger than the sum of its proper divisors (16151206).

20413274 is a wasteful number, since it uses less digits than its factorization.

20413274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20413274 is about 4518.1051337923. The cubic root of 20413274 is about 273.2986931447.

Adding to 20413274 its reverse (47231402), we get a palindrome (67644676).

The spelling of 20413274 in words is "twenty million, four hundred thirteen thousand, two hundred seventy-four".