2090518020 has 72 divisors (see below), whose sum is σ = 6345952704. Its totient is φ = 557057088.

The previous prime is 2090518013. The next prime is 2090518037. The reversal of 2090518020 is 208150902.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296577 + ... + 303543.

It is an arithmetic number, because the mean of its divisors is an integer number (88138232).

Almost surely, 2^2090518020 is an apocalyptic number.

2090518020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2090518020 is an abundant number, since it is smaller than the sum of its proper divisors (4255434684).

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

2090518020 is a wasteful number, since it uses less digits than its factorization.

2090518020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649 (or 8644 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2090518020 is about 45722.1830187492. The cubic root of 2090518020 is about 1278.6488876401.

Adding to 2090518020 its reverse (208150902), we get a palindrome (2298668922).

The spelling of 2090518020 in words is "two billion, ninety million, five hundred eighteen thousand, twenty".