201420255135 has 64 divisors (see below), whose sum is σ = 363278462976. Its totient is φ = 94412313600.

The previous prime is 201420255133. The next prime is 201420255167. The reversal of 201420255135 is 531552024102.

It is not a de Polignac number, because 201420255135 - 2¹ = 201420255133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201420255133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5162059 + ... + 5200931.

It is an arithmetic number, because the mean of its divisors is an integer number (5676225984).

Almost surely, 2^201420255135 is an apocalyptic number.

201420255135 is a deficient number, since it is larger than the sum of its proper divisors (161858207841).

201420255135 is a wasteful number, since it uses less digits than its factorization.

201420255135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39936.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 201420255135 its reverse (531552024102), we get a palindrome (732972279237).

The spelling of 201420255135 in words is "two hundred one billion, four hundred twenty million, two hundred fifty-five thousand, one hundred thirty-five".