20135848 has 8 divisors (see below), whose sum is σ = 37754730. Its totient is φ = 10067920.

The previous prime is 20135827. The next prime is 20135867. The reversal of 20135848 is 84853102.

It can be written as a sum of positive squares in only one way, i.e., 20088324 + 47524 = 4482^2 + 218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×20135848³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258483 + ... + 1258498.

Almost surely, 2^20135848 is an apocalyptic number.

It is an amenable number.

20135848 is a deficient number, since it is larger than the sum of its proper divisors (17618882).

20135848 is a wasteful number, since it uses less digits than its factorization.

20135848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516987 (or 2516983 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 20135848 is about 4487.2985191538. The cubic root of 20135848 is about 272.0549557355.

The spelling of 20135848 in words is "twenty million, one hundred thirty-five thousand, eight hundred forty-eight".