202004121403255 has 16 divisors (see below), whose sum is σ = 242710182838944. Its totient is φ = 161399928476160.

The previous prime is 202004121403241. The next prime is 202004121403297. The reversal of 202004121403255 is 552304121400202.

It is a happy number.

It is not a de Polignac number, because 202004121403255 - 2⁵ = 202004121403223 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 15 ways as a sum of consecutive naturals, for example, 5491032 + ... + 20836498.

It is an arithmetic number, because the mean of its divisors is an integer number (15169386427434).

Almost surely, 2^{202004121403255} is an apocalyptic number.

202004121403255 is a deficient number, since it is larger than the sum of its proper divisors (40706061435689).

202004121403255 is a wasteful number, since it uses less digits than its factorization.

202004121403255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15348786.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 202004121403255 its reverse (552304121400202), we get a palindrome (754308242803457).

The spelling of 202004121403255 in words is "two hundred two trillion, four billion, one hundred twenty-one million, four hundred three thousand, two hundred fifty-five".