20693350 has 12 divisors (see below), whose sum is σ = 38489724. Its totient is φ = 8277320.

The previous prime is 20693341. The next prime is 20693357. The reversal of 20693350 is 5339602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20693357) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 206884 + ... + 206983.

It is an arithmetic number, because the mean of its divisors is an integer number (3207477).

Almost surely, 2^20693350 is an apocalyptic number.

20693350 is a deficient number, since it is larger than the sum of its proper divisors (17796374).

20693350 is a wasteful number, since it uses less digits than its factorization.

20693350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413879 (or 413874 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 20693350 is about 4548.9943943689. The cubic root of 20693350 is about 274.5429322047.

The spelling of 20693350 in words is "twenty million, six hundred ninety-three thousand, three hundred fifty".