20455201525245 has 32 divisors (see below), whose sum is σ = 33411393855360. Its totient is φ = 10683326058240.

The previous prime is 20455201525207. The next prime is 20455201525273. The reversal of 20455201525245 is 54252510255402.

It is not a de Polignac number, because 20455201525245 - 2¹⁵ = 20455201492477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20455201525197 and 20455201525206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49033290 + ... + 49448699.

It is an arithmetic number, because the mean of its divisors is an integer number (1044106057980).

Almost surely, 2^{20455201525245} is an apocalyptic number.

It is an amenable number.

20455201525245 is a deficient number, since it is larger than the sum of its proper divisors (12956192330115).

20455201525245 is a wasteful number, since it uses less digits than its factorization.

20455201525245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98482285.

The product of its (nonzero) digits is 800000, while the sum is 42.

The spelling of 20455201525245 in words is "twenty trillion, four hundred fifty-five billion, two hundred one million, five hundred twenty-five thousand, two hundred forty-five".