20255431005335 has 16 divisors (see below), whose sum is σ = 25393630148640. Its totient is φ = 15490667606400.

The previous prime is 20255431005287. The next prime is 20255431005461. The reversal of 20255431005335 is 53350013455202.

It is not a de Polignac number, because 20255431005335 - 2⁸ = 20255431005079 is a prime.

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, 691533017 + ... + 691562306.

It is an arithmetic number, because the mean of its divisors is an integer number (1587101884290).

Almost surely, 2^{20255431005335} is an apocalyptic number.

20255431005335 is a deficient number, since it is larger than the sum of its proper divisors (5138199143305).

20255431005335 is a wasteful number, since it uses less digits than its factorization.

20255431005335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383095458.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 20255431005335 in words is "twenty trillion, two hundred fifty-five billion, four hundred thirty-one million, five thousand, three hundred thirty-five".