20273793 has 8 divisors (see below), whose sum is σ = 27054048. Its totient is φ = 13504704.

The previous prime is 20273791. The next prime is 20273819. The reversal of 20273793 is 39737202.

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

It is not a de Polignac number, because 20273793 - 2¹ = 20273791 is a prime.

It is a super-2 number, since 2×20273793² = 822053365213698, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20273791) 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, 3430 + ... + 7232.

It is an arithmetic number, because the mean of its divisors is an integer number (3381756).

Almost surely, 2^20273793 is an apocalyptic number.

It is an amenable number.

20273793 is a deficient number, since it is larger than the sum of its proper divisors (6780255).

20273793 is a wasteful number, since it uses less digits than its factorization.

20273793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 20273793 is about 4502.6428905699. The cubic root of 20273793 is about 272.6747996118.

The spelling of 20273793 in words is "twenty million, two hundred seventy-three thousand, seven hundred ninety-three".