1020201415255 has 12 divisors (see below), whose sum is σ = 1345654098936. Its totient is φ = 741964665200.

The previous prime is 1020201415237. The next prime is 1020201415307. The reversal of 1020201415255 is 5525141020201.

It is not a de Polignac number, because 1020201415255 - 2⁵ = 1020201415223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 843141061 + ... + 843142270.

It is an arithmetic number, because the mean of its divisors is an integer number (112137841578).

Almost surely, 2^{1020201415255} is an apocalyptic number.

1020201415255 is a deficient number, since it is larger than the sum of its proper divisors (325452683681).

1020201415255 is a wasteful number, since it uses less digits than its factorization.

1020201415255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686283358 (or 1686283347 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 1020201415255 its reverse (5525141020201), we get a palindrome (6545342435456).

The spelling of 1020201415255 in words is "one trillion, twenty billion, two hundred one million, four hundred fifteen thousand, two hundred fifty-five".