20533274 has 8 divisors (see below), whose sum is σ = 31516320. Its totient is φ = 10027836.

The previous prime is 20533267. The next prime is 20533291. The reversal of 20533274 is 47233502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119294 + ... + 119465.

It is an arithmetic number, because the mean of its divisors is an integer number (3939540).

Almost surely, 2^20533274 is an apocalyptic number.

20533274 is a deficient number, since it is larger than the sum of its proper divisors (10983046).

20533274 is a wasteful number, since it uses less digits than its factorization.

20533274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238804.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 20533274 is about 4531.3655778363. The cubic root of 20533274 is about 273.8331785074.

Adding to 20533274 its reverse (47233502), we get a palindrome (67766776).

The spelling of 20533274 in words is "twenty million, five hundred thirty-three thousand, two hundred seventy-four".