20150535 has 8 divisors (see below), whose sum is σ = 32240880. Its totient is φ = 10746944.

The previous prime is 20150513. The next prime is 20150569. The reversal of 20150535 is 53505102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20150535 - 2¹¹ = 20148487 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 671670 + ... + 671699.

It is an arithmetic number, because the mean of its divisors is an integer number (4030110).

Almost surely, 2^20150535 is an apocalyptic number.

20150535 is a deficient number, since it is larger than the sum of its proper divisors (12090345).

20150535 is a wasteful number, since it uses less digits than its factorization.

20150535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343377.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 20150535 is about 4488.9347288639. The cubic root of 20150535 is about 272.1210848940.

Adding to 20150535 its reverse (53505102), we get a palindrome (73655637).

The spelling of 20150535 in words is "twenty million, one hundred fifty thousand, five hundred thirty-five".