20413210624555 has 48 divisors (see below), whose sum is σ = 28622217446496. Its totient is φ = 13935285288960.

The previous prime is 20413210624519. The next prime is 20413210624559. The reversal of 20413210624555 is 55542601231402.

It is not a de Polignac number, because 20413210624555 - 2⁹ = 20413210624043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20413210624559) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 112427745 + ... + 112609165.

It is an arithmetic number, because the mean of its divisors is an integer number (596296196802).

Almost surely, 2^{20413210624555} is an apocalyptic number.

20413210624555 is a deficient number, since it is larger than the sum of its proper divisors (8209006821941).

20413210624555 is a wasteful number, since it uses less digits than its factorization.

20413210624555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183484 (or 183477 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 20413210624555 its reverse (55542601231402), we get a palindrome (75955811855957).

The spelling of 20413210624555 in words is "twenty trillion, four hundred thirteen billion, two hundred ten million, six hundred twenty-four thousand, five hundred fifty-five".