20804284274 has 8 divisors (see below), whose sum is σ = 31452146688. Its totient is φ = 10320235380.

The previous prime is 20804284273. The next prime is 20804284283. The reversal of 20804284274 is 47248240802.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20804284273) 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, 40953062 + ... + 40953569.

It is an arithmetic number, because the mean of its divisors is an integer number (3931518336).

Almost surely, 2^20804284274 is an apocalyptic number.

20804284274 is a deficient number, since it is larger than the sum of its proper divisors (10647862414).

20804284274 is a wasteful number, since it uses less digits than its factorization.

20804284274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81906760.

The product of its (nonzero) digits is 229376, while the sum is 41.

The spelling of 20804284274 in words is "twenty billion, eight hundred four million, two hundred eighty-four thousand, two hundred seventy-four".