20946350 has 12 divisors (see below), whose sum is σ = 38960304. Its totient is φ = 8378520.

The previous prime is 20946347. The next prime is 20946361. The reversal of 20946350 is 5364902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209414 + ... + 209513.

It is an arithmetic number, because the mean of its divisors is an integer number (3246692).

Almost surely, 2^20946350 is an apocalyptic number.

20946350 is a deficient number, since it is larger than the sum of its proper divisors (18013954).

20946350 is a wasteful number, since it uses less digits than its factorization.

20946350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418939 (or 418934 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 20946350 is about 4576.7182565677. The cubic root of 20946350 is about 275.6572707968.

The spelling of 20946350 in words is "twenty million, nine hundred forty-six thousand, three hundred fifty".