2003671240020 has 72 divisors (see below), whose sum is σ = 6088484624040. Its totient is φ = 533373265920.

The previous prime is 2003671240001. The next prime is 2003671240027. The reversal of 2003671240020 is 200421763002.

2003671240020 is a `hidden beast` number, since 200 + 36 + 7 + 1 + 2 + 400 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 49887902736 + 1953783337284 = 223356^2 + 1397778^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003671240027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9679221 + ... + 9884060.

It is an arithmetic number, because the mean of its divisors is an integer number (84562286445).

Almost surely, 2^{2003671240020} is an apocalyptic number.

2003671240020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003671240020 is an abundant number, since it is smaller than the sum of its proper divisors (4084813384020).

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

2003671240020 is a wasteful number, since it uses less digits than its factorization.

2003671240020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19563865 (or 19563860 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The spelling of 2003671240020 in words is "two trillion, three billion, six hundred seventy-one million, two hundred forty thousand, twenty".