20245415055 has 32 divisors (see below), whose sum is σ = 33449576448. Its totient is φ = 10445500800.

The previous prime is 20245415041. The next prime is 20245415087. The reversal of 20245415055 is 55051454202.

It is not a de Polignac number, because 20245415055 - 2¹⁰ = 20245414031 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1685220 + ... + 1697190.

It is an arithmetic number, because the mean of its divisors is an integer number (1045299264).

Almost surely, 2^20245415055 is an apocalyptic number.

20245415055 is a deficient number, since it is larger than the sum of its proper divisors (13204161393).

20245415055 is a wasteful number, since it uses less digits than its factorization.

20245415055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15647.

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 20245415055 its reverse (55051454202), we get a palindrome (75296869257).

The spelling of 20245415055 in words is "twenty billion, two hundred forty-five million, four hundred fifteen thousand, fifty-five".