20283461 has 8 divisors (see below), whose sum is σ = 22598784. Its totient is φ = 18046720.

The previous prime is 20283451. The next prime is 20283463. The reversal of 20283461 is 16438202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20283461 is a prime.

It is a super-2 number, since 2×20283461² = 822837580277042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20283461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20283463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19100 + ... + 20133.

It is an arithmetic number, because the mean of its divisors is an integer number (2824848).

Almost surely, 2^20283461 is an apocalyptic number.

It is an amenable number.

20283461 is a deficient number, since it is larger than the sum of its proper divisors (2315323).

20283461 is a wasteful number, since it uses less digits than its factorization.

20283461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39291.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 20283461 is about 4503.7163543012. The cubic root of 20283461 is about 272.7181363640.

The spelling of 20283461 in words is "twenty million, two hundred eighty-three thousand, four hundred sixty-one".