20150401235 has 4 divisors (see below), whose sum is σ = 24180481488. Its totient is φ = 16120320984.

The previous prime is 20150401213. The next prime is 20150401237. The reversal of 20150401235 is 53210405102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20150401235 - 2¹⁴ = 20150384851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20150401235.

It is not an unprimeable number, because it can be changed into a prime (20150401237) by changing a digit.

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, 2015040119 + ... + 2015040128.

It is an arithmetic number, because the mean of its divisors is an integer number (6045120372).

Almost surely, 2^20150401235 is an apocalyptic number.

20150401235 is a deficient number, since it is larger than the sum of its proper divisors (4030080253).

20150401235 is an equidigital number, since it uses as much as digits as its factorization.

20150401235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030080252.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 20150401235 its reverse (53210405102), we get a palindrome (73360806337).

The spelling of 20150401235 in words is "twenty billion, one hundred fifty million, four hundred one thousand, two hundred thirty-five".