2020020626 has 16 divisors (see below), whose sum is σ = 3263929368. Its totient is φ = 932083200.

The previous prime is 2020020619. The next prime is 2020020647. The reversal of 2020020626 is 6260200202.

It can be written as a sum of positive squares in 4 ways, for example, as 1307184025 + 712836601 = 36155^2 + 26699^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2020020598 and 2020020607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138146 + ... + 152066.

Almost surely, 2^2020020626 is an apocalyptic number.

2020020626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2020020626 is a deficient number, since it is larger than the sum of its proper divisors (1243908742).

2020020626 is a wasteful number, since it uses less digits than its factorization.

2020020626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19517.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2020020626 is about 44944.6395691411. The cubic root of 2020020626 is about 1264.1111674011. Note that the first 4 decimals are identical.

Adding to 2020020626 its reverse (6260200202), we get a palindrome (8280220828).

The spelling of 2020020626 in words is "two billion, twenty million, twenty thousand, six hundred twenty-six".