20455201525255 has 16 divisors (see below), whose sum is σ = 28091119120704. Its totient is φ = 14007288245760.

The previous prime is 20455201525207. The next prime is 20455201525273. The reversal of 20455201525255 is 55252510255402.

It is not a de Polignac number, because 20455201525255 - 2⁹ = 20455201524743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398633506 + ... + 398684815.

It is an arithmetic number, because the mean of its divisors is an integer number (1755694945044).

Almost surely, 2^{20455201525255} is an apocalyptic number.

20455201525255 is a deficient number, since it is larger than the sum of its proper divisors (7635917595449).

20455201525255 is an equidigital number, since it uses as much as digits as its factorization.

20455201525255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797319066.

The product of its (nonzero) digits is 1000000, while the sum is 43.

The spelling of 20455201525255 in words is "twenty trillion, four hundred fifty-five billion, two hundred one million, five hundred twenty-five thousand, two hundred fifty-five".