20373573 has 32 divisors (see below), whose sum is σ = 31248000. Its totient is φ = 11692800.

The previous prime is 20373557. The next prime is 20373581. The reversal of 20373573 is 37537302.

It is not a de Polignac number, because 20373573 - 2⁴ = 20373557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20373573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20373523) 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 31 ways as a sum of consecutive naturals, for example, 58203 + ... + 58551.

It is an arithmetic number, because the mean of its divisors is an integer number (976500).

Almost surely, 2^20373573 is an apocalyptic number.

It is an amenable number.

20373573 is a deficient number, since it is larger than the sum of its proper divisors (10874427).

20373573 is a wasteful number, since it uses less digits than its factorization.

20373573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453.

The product of its (nonzero) digits is 13230, while the sum is 30.

The square root of 20373573 is about 4513.7094501086. The cubic root of 20373573 is about 273.1214020824.

The spelling of 20373573 in words is "twenty million, three hundred seventy-three thousand, five hundred seventy-three".