20451152333255 has 8 divisors (see below), whose sum is σ = 28047294628512. Its totient is φ = 14023647314208.

The previous prime is 20451152333231. The next prime is 20451152333291. The reversal of 20451152333255 is 55233325115402.

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

It is not a de Polignac number, because 20451152333255 - 2¹² = 20451152329159 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, 292159319012 + ... + 292159319081.

It is an arithmetic number, because the mean of its divisors is an integer number (3505911828564).

Almost surely, 2^{20451152333255} is an apocalyptic number.

20451152333255 is a deficient number, since it is larger than the sum of its proper divisors (7596142295257).

20451152333255 is an equidigital number, since it uses as much as digits as its factorization.

20451152333255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584318638105.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 20451152333255 its reverse (55233325115402), we get a palindrome (75684477448657).

The spelling of 20451152333255 in words is "twenty trillion, four hundred fifty-one billion, one hundred fifty-two million, three hundred thirty-three thousand, two hundred fifty-five".