20062563805 has 12 divisors (see below), whose sum is σ = 24933883572. Its totient is φ = 15496597760.

The previous prime is 20062563803. The next prime is 20062563823. The reversal of 20062563805 is 50836526002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2470785849 + 17591777956 = 49707^2 + 132634^2 .

It is not a de Polignac number, because 20062563805 - 2¹ = 20062563803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20062563803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2381356 + ... + 2389765.

It is an arithmetic number, because the mean of its divisors is an integer number (2077823631).

Almost surely, 2^20062563805 is an apocalyptic number.

It is an amenable number.

20062563805 is a deficient number, since it is larger than the sum of its proper divisors (4871319767).

20062563805 is an equidigital number, since it uses as much as digits as its factorization.

20062563805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771184 (or 4771155 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 20062563805 in words is "twenty billion, sixty-two million, five hundred sixty-three thousand, eight hundred five".