20283693 has 8 divisors (see below), whose sum is σ = 27126528. Its totient is φ = 13481664.

The previous prime is 20283671. The next prime is 20283719. The reversal of 20283693 is 39638202.

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

It is not a de Polignac number, because 20283693 - 2¹⁷ = 20152621 is a prime.

It is a super-2 number, since 2×20283693² = 822856403436498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20288693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9021 + ... + 11042.

It is an arithmetic number, because the mean of its divisors is an integer number (3390816).

Almost surely, 2^20283693 is an apocalyptic number.

It is an amenable number.

20283693 is a deficient number, since it is larger than the sum of its proper divisors (6842835).

20283693 is a wasteful number, since it uses less digits than its factorization.

20283693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20403.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 20283693 is about 4503.7421107341. The cubic root of 20283693 is about 272.7191761334.

The spelling of 20283693 in words is "twenty million, two hundred eighty-three thousand, six hundred ninety-three".