2020218500 has 48 divisors (see below), whose sum is σ = 4531446192. Its totient is φ = 786240000.

The previous prime is 2020218479. The next prime is 2020218533. The reversal of 2020218500 is 58120202.

It can be written as a sum of positive squares in 8 ways, for example, as 67108864 + 1953109636 = 8192^2 + 44194^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 15 ways as a sum of consecutive naturals, for example, 36101 + ... + 73100.

It is an arithmetic number, because the mean of its divisors is an integer number (94405129).

Almost surely, 2^2020218500 is an apocalyptic number.

2020218500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020218500 is an abundant number, since it is smaller than the sum of its proper divisors (2511227692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020218500 is a wasteful number, since it uses less digits than its factorization.

2020218500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109257 (or 109245 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2020218500 is about 44946.8408233549. The cubic root of 2020218500 is about 1264.1524419906.

Adding to 2020218500 its reverse (58120202), we get a palindrome (2078338702).

The spelling of 2020218500 in words is "two billion, twenty million, two hundred eighteen thousand, five hundred".