20293933 has 8 divisors (see below), whose sum is σ = 22853376. Its totient is φ = 17853600.

The previous prime is 20293921. The next prime is 20293943. The reversal of 20293933 is 33939202.

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 20293933 - 2⁹ = 20293421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20293895 and 20293904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20293913) 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, 29416 + ... + 30097.

It is an arithmetic number, because the mean of its divisors is an integer number (2856672).

Almost surely, 2^20293933 is an apocalyptic number.

It is an amenable number.

20293933 is a deficient number, since it is larger than the sum of its proper divisors (2559443).

20293933 is a wasteful number, since it uses less digits than its factorization.

20293933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59555.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 20293933 is about 4504.8787997015. The cubic root of 20293933 is about 272.7650615079.

The spelling of 20293933 in words is "twenty million, two hundred ninety-three thousand, nine hundred thirty-three".