20850354 has 24 divisors (see below), whose sum is σ = 51629760. Its totient is φ = 5957208.

The previous prime is 20850343. The next prime is 20850367. The reversal of 20850354 is 45305802.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 82614 + ... + 82865.

It is an arithmetic number, because the mean of its divisors is an integer number (2151240).

Almost surely, 2^20850354 is an apocalyptic number.

20850354 is an abundant number, since it is smaller than the sum of its proper divisors (30779406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20850354 is a wasteful number, since it uses less digits than its factorization.

20850354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165494 (or 165491 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 20850354 is about 4566.2187858227. The cubic root of 20850354 is about 275.2355183475.

The spelling of 20850354 in words is "twenty million, eight hundred fifty thousand, three hundred fifty-four".