20695241255 has 8 divisors (see below), whose sum is σ = 26744619552. Its totient is φ = 15282639648.

The previous prime is 20695241243. The next prime is 20695241269. The reversal of 20695241255 is 55214259602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20695241255 - 2¹⁸ = 20694979111 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 7 ways as a sum of consecutive naturals, for example, 159194099 + ... + 159194228.

It is an arithmetic number, because the mean of its divisors is an integer number (3343077444).

Almost surely, 2^20695241255 is an apocalyptic number.

20695241255 is a deficient number, since it is larger than the sum of its proper divisors (6049378297).

20695241255 is a wasteful number, since it uses less digits than its factorization.

20695241255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318388345.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 20695241255 in words is "twenty billion, six hundred ninety-five million, two hundred forty-one thousand, two hundred fifty-five".