20234255555 has 8 divisors (see below), whose sum is σ = 24291310272. Its totient is φ = 16180602048.

The previous prime is 20234255533. The next prime is 20234255557. The reversal of 20234255555 is 55555243202.

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 20234255555 - 2¹⁶ = 20234190019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20234255557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837194 + ... + 861023.

It is an arithmetic number, because the mean of its divisors is an integer number (3036413784).

Almost surely, 2^20234255555 is an apocalyptic number.

20234255555 is a deficient number, since it is larger than the sum of its proper divisors (4057054717).

20234255555 is a wasteful number, since it uses less digits than its factorization.

20234255555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700605.

The product of its (nonzero) digits is 300000, while the sum is 38.

Adding to 20234255555 its reverse (55555243202), we get a palindrome (75789498757).

The spelling of 20234255555 in words is "twenty billion, two hundred thirty-four million, two hundred fifty-five thousand, five hundred fifty-five".