20053756 has 12 divisors (see below), whose sum is σ = 35950320. Its totient is φ = 9782240.

The previous prime is 20053717. The next prime is 20053763. The reversal of 20053756 is 65735002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60976 + ... + 61303.

It is an arithmetic number, because the mean of its divisors is an integer number (2995860).

Almost surely, 2^20053756 is an apocalyptic number.

It is an amenable number.

20053756 is a deficient number, since it is larger than the sum of its proper divisors (15896564).

20053756 is a wasteful number, since it uses less digits than its factorization.

20053756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122324 (or 122322 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 20053756 is about 4478.1420254387. The cubic root of 20053756 is about 271.6847378212.

Adding to 20053756 its reverse (65735002), we get a palindrome (85788758).

It can be divided in two parts, 200 and 53756, that added together give a triangular number (53956 = T₃₂₈).

The spelling of 20053756 in words is "twenty million, fifty-three thousand, seven hundred fifty-six".