20275733 has 8 divisors (see below), whose sum is σ = 20793888. Its totient is φ = 19762704.

The previous prime is 20275693. The next prime is 20275769. The reversal of 20275733 is 33757202.

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 20275733 - 2¹⁸ = 20013589 is a prime.

It is a super-2 number, since 2×20275733² = 822210697374578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20275696 and 20275705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20275133) 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, 7466 + ... + 9812.

It is an arithmetic number, because the mean of its divisors is an integer number (2599236).

Almost surely, 2^20275733 is an apocalyptic number.

It is an amenable number.

20275733 is a deficient number, since it is larger than the sum of its proper divisors (518155).

20275733 is a wasteful number, since it uses less digits than its factorization.

20275733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 20275733 is about 4502.8583144487. The cubic root of 20275733 is about 272.6834967550.

The spelling of 20275733 in words is "twenty million, two hundred seventy-five thousand, seven hundred thirty-three".