2620020555423 has 40 divisors (see below), whose sum is σ = 3958342676640. Its totient is φ = 1726832701440.

The previous prime is 2620020555407. The next prime is 2620020555443. The reversal of 2620020555423 is 3245550200262.

2620020555423 is a `hidden beast` number, since 2 + 6 + 20 + 0 + 205 + 5 + 5 + 423 = 666.

It is not a de Polignac number, because 2620020555423 - 2⁴ = 2620020555407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620020555443) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71040678 + ... + 71077548.

It is an arithmetic number, because the mean of its divisors is an integer number (98958566916).

Almost surely, 2^{2620020555423} is an apocalyptic number.

2620020555423 is a deficient number, since it is larger than the sum of its proper divisors (1338322121217).

2620020555423 is an equidigital number, since it uses as much as digits as its factorization.

2620020555423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46829 (or 46820 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 2620020555423 its reverse (3245550200262), we get a palindrome (5865570755685).

The spelling of 2620020555423 in words is "two trillion, six hundred twenty billion, twenty million, five hundred fifty-five thousand, four hundred twenty-three".