2020626455 has 4 divisors (see below), whose sum is σ = 2424751752. Its totient is φ = 1616501160.

The previous prime is 2020626449. The next prime is 2020626473. The reversal of 2020626455 is 5546260202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2020626455 - 2²² = 2016432151 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202062641 + ... + 202062650.

It is an arithmetic number, because the mean of its divisors is an integer number (606187938).

Almost surely, 2^2020626455 is an apocalyptic number.

2020626455 is a deficient number, since it is larger than the sum of its proper divisors (404125297).

2020626455 is an equidigital number, since it uses as much as digits as its factorization.

2020626455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404125296.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2020626455 is about 44951.3787886423. The cubic root of 2020626455 is about 1264.2375289254.

Adding to 2020626455 its reverse (5546260202), we get a palindrome (7566886657).

The spelling of 2020626455 in words is "two billion, twenty million, six hundred twenty-six thousand, four hundred fifty-five".