20152773 has 16 divisors (see below), whose sum is σ = 30421440. Its totient is φ = 13180752.

The previous prime is 20152747. The next prime is 20152789. The reversal of 20152773 is 37725102.

It is not a de Polignac number, because 20152773 - 2⁹ = 20152261 is a prime.

It is a super-2 number, since 2×20152773² = 812268519179058, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20152703) 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 15 ways as a sum of consecutive naturals, for example, 5611 + ... + 8472.

It is an arithmetic number, because the mean of its divisors is an integer number (1901340).

Almost surely, 2^20152773 is an apocalyptic number.

It is an amenable number.

20152773 is a deficient number, since it is larger than the sum of its proper divisors (10268667).

20152773 is a wasteful number, since it uses less digits than its factorization.

20152773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14145 (or 14139 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 20152773 is about 4489.1840015753. The cubic root of 20152773 is about 272.1311588109.

Adding to 20152773 its reverse (37725102), we get a palindrome (57877875).

The spelling of 20152773 in words is "twenty million, one hundred fifty-two thousand, seven hundred seventy-three".