20453733 has 12 divisors (see below), whose sum is σ = 29583840. Its totient is φ = 13617576.

The previous prime is 20453717. The next prime is 20453743. The reversal of 20453733 is 33735402.

It is not a de Polignac number, because 20453733 - 2⁴ = 20453717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20453697 and 20453706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20453743) 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 11 ways as a sum of consecutive naturals, for example, 11010 + ... + 12732.

It is an arithmetic number, because the mean of its divisors is an integer number (2465320).

Almost surely, 2^20453733 is an apocalyptic number.

It is an amenable number.

20453733 is a deficient number, since it is larger than the sum of its proper divisors (9130107).

20453733 is a wasteful number, since it uses less digits than its factorization.

20453733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 20453733 is about 4522.5803475450. The cubic root of 20453733 is about 273.4791328368.

It can be divided in two parts, 2045 and 3733, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 20453733 in words is "twenty million, four hundred fifty-three thousand, seven hundred thirty-three".