2003520020000 has 60 divisors (see below), whose sum is σ = 4928959826406. Its totient is φ = 801408000000.

The previous prime is 2003520019979. The next prime is 2003520020009. The reversal of 2003520020000 is 200253002.

It can be written as a sum of positive squares in 5 ways, for example, as 220963924624 + 1782556095376 = 470068^2 + 1335124^2 .

It is not an unprimeable number, because it can be changed into a prime (2003520020009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50068001 + ... + 50108000.

Almost surely, 2^{2003520020000} is an apocalyptic number.

2003520020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003520020000 is an abundant number, since it is smaller than the sum of its proper divisors (2925439806406).

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

2003520020000 is an equidigital number, since it uses as much as digits as its factorization.

2003520020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100176031 (or 100176008 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

Adding to 2003520020000 its reverse (200253002), we get a palindrome (2003720273002).

The spelling of 2003520020000 in words is "two trillion, three billion, five hundred twenty million, twenty thousand".