2000003640020 has 48 divisors (see below), whose sum is σ = 4283092598400. Its totient is φ = 784251296640.

The previous prime is 2000003640017. The next prime is 2000003640049. The reversal of 2000003640020 is 200463000002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936991 + ... + 2784230.

It is an arithmetic number, because the mean of its divisors is an integer number (89231095800).

Almost surely, 2^{2000003640020} is an apocalyptic number.

2000003640020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000003640020 is an abundant number, since it is smaller than the sum of its proper divisors (2283088958380).

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

2000003640020 is a wasteful number, since it uses less digits than its factorization.

2000003640020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721648 (or 4721646 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 2000003640020 its reverse (200463000002), we get a palindrome (2200466640022).

The spelling of 2000003640020 in words is "two trillion, three million, six hundred forty thousand, twenty".