20081336848 has 10 divisors (see below), whose sum is σ = 38907590174. Its totient is φ = 10040668416.

The previous prime is 20081336843. The next prime is 20081336857. The reversal of 20081336848 is 84863318002.

It can be written as a sum of positive squares in only one way, i.e., 11463556624 + 8617780224 = 107068^2 + 92832^2 .

It is not an unprimeable number, because it can be changed into a prime (20081336843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627541761 + ... + 627541792.

Almost surely, 2^20081336848 is an apocalyptic number.

It is an amenable number.

20081336848 is a deficient number, since it is larger than the sum of its proper divisors (18826253326).

20081336848 is a wasteful number, since it uses less digits than its factorization.

20081336848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255083561 (or 1255083555 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 20081336848 in words is "twenty billion, eighty-one million, three hundred thirty-six thousand, eight hundred forty-eight".