20767252 has 24 divisors (see below), whose sum is σ = 41372352. Its totient is φ = 9028800.

The previous prime is 20767223. The next prime is 20767273. The reversal of 20767252 is 25276702.

It is a congruent number.

It is an unprimeable number.

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, 9249 + ... + 11272.

It is an arithmetic number, because the mean of its divisors is an integer number (1723848).

Almost surely, 2^20767252 is an apocalyptic number.

20767252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20767252 is a deficient number, since it is larger than the sum of its proper divisors (20605100).

20767252 is a wasteful number, since it uses less digits than its factorization.

20767252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20559 (or 20557 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 20767252 is about 4557.1100491430. The cubic root of 20767252 is about 274.8693682596.

The spelling of 20767252 in words is "twenty million, seven hundred sixty-seven thousand, two hundred fifty-two".