20020801318 has 12 divisors (see below), whose sum is σ = 34934255532. Its totient is φ = 8580343380.

The previous prime is 20020801309. The next prime is 20020801319. The reversal of 20020801318 is 81310802002.

It is a junction number, because it is equal to n+sod(n) for n = 20020801292 and 20020801301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020801319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102146848 + ... + 102147043.

It is an arithmetic number, because the mean of its divisors is an integer number (2911187961).

Almost surely, 2^20020801318 is an apocalyptic number.

20020801318 is a deficient number, since it is larger than the sum of its proper divisors (14913454214).

20020801318 is a wasteful number, since it uses less digits than its factorization.

20020801318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204293907 (or 204293900 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 20020801318 in words is "twenty billion, twenty million, eight hundred one thousand, three hundred eighteen".