20453350 has 24 divisors (see below), whose sum is σ = 38354688. Its totient is φ = 8114400.

The previous prime is 20453327. The next prime is 20453401. The reversal of 20453350 is 5335402.

It is a congruent number.

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, 4740 + ... + 7960.

It is an arithmetic number, because the mean of its divisors is an integer number (1598112).

Almost surely, 2^20453350 is an apocalyptic number.

20453350 is a deficient number, since it is larger than the sum of its proper divisors (17901338).

20453350 is a wasteful number, since it uses less digits than its factorization.

20453350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360 (or 3355 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 20453350 is about 4522.5380042627. The cubic root of 20453350 is about 273.4774258434.

Adding to 20453350 its reverse (5335402), we get a palindrome (25788752).

The spelling of 20453350 in words is "twenty million, four hundred fifty-three thousand, three hundred fifty".