20255320152451 has 8 divisors (see below), whose sum is σ = 20280564648720. Its totient is φ = 20230088585088.

The previous prime is 20255320152421. The next prime is 20255320152479. The reversal of 20255320152451 is 15425102355202.

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 20255320152451 - 2⁷ = 20255320152323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20255320152451.

It is not an unprimeable number, because it can be changed into a prime (20255320152421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95041 + ... + 6365506.

It is an arithmetic number, because the mean of its divisors is an integer number (2535070581090).

Almost surely, 2^{20255320152451} is an apocalyptic number.

20255320152451 is a deficient number, since it is larger than the sum of its proper divisors (25244496269).

20255320152451 is a wasteful number, since it uses less digits than its factorization.

20255320152451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464453.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 20255320152451 in words is "twenty trillion, two hundred fifty-five billion, three hundred twenty million, one hundred fifty-two thousand, four hundred fifty-one".