20135152 has 20 divisors (see below), whose sum is σ = 39548560. Its totient is φ = 9929088.

The previous prime is 20135147. The next prime is 20135183. The reversal of 20135152 is 25153102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7452 + ... + 9787.

It is an arithmetic number, because the mean of its divisors is an integer number (1977428).

Almost surely, 2^20135152 is an apocalyptic number.

It is an amenable number.

20135152 is a deficient number, since it is larger than the sum of its proper divisors (19413408).

20135152 is a wasteful number, since it uses less digits than its factorization.

20135152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17320 (or 17314 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 20135152 is about 4487.2209662552. The cubic root of 20135152 is about 272.0518211530.

Adding to 20135152 its reverse (25153102), we get a palindrome (45288254).

It can be divided in two parts, 201 and 35152, that added together give a palindrome (35353).

The spelling of 20135152 in words is "twenty million, one hundred thirty-five thousand, one hundred fifty-two".