20800346 has 8 divisors (see below), whose sum is σ = 35657760. Its totient is φ = 8914428.

The previous prime is 20800343. The next prime is 20800357. The reversal of 20800346 is 64300802.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20800343) 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, 742856 + ... + 742883.

It is an arithmetic number, because the mean of its divisors is an integer number (4457220).

Almost surely, 2^20800346 is an apocalyptic number.

20800346 is a deficient number, since it is larger than the sum of its proper divisors (14857414).

20800346 is a wasteful number, since it uses less digits than its factorization.

20800346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485748.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20800346 is about 4560.7396329981. The cubic root of 20800346 is about 275.0152983225.

The spelling of 20800346 in words is "twenty million, eight hundred thousand, three hundred forty-six".