20393483 has 8 divisors (see below), whose sum is σ = 22287936. Its totient is φ = 18505800.

The previous prime is 20393473. The next prime is 20393491. The reversal of 20393483 is 38439302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20393483 - 2¹⁰ = 20392459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20393473) 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 7 ways as a sum of consecutive naturals, for example, 6260 + ... + 8942.

It is an arithmetic number, because the mean of its divisors is an integer number (2785992).

Almost surely, 2^20393483 is an apocalyptic number.

20393483 is a deficient number, since it is larger than the sum of its proper divisors (1894453).

20393483 is a wasteful number, since it uses less digits than its factorization.

20393483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 20393483 is about 4515.9144146009. The cubic root of 20393483 is about 273.2103420817.

The spelling of 20393483 in words is "twenty million, three hundred ninety-three thousand, four hundred eighty-three".