2003667020 has 48 divisors (see below), whose sum is σ = 4384171008. Its totient is φ = 768338880.

The previous prime is 2003666969. The next prime is 2003667047. The reversal of 2003667020 is 207663002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51239 + ... + 81441.

It is an arithmetic number, because the mean of its divisors is an integer number (91336896).

Almost surely, 2^2003667020 is an apocalyptic number.

2003667020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003667020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192085504).

2003667020 is an abundant number, since it is smaller than the sum of its proper divisors (2380503988).

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

2003667020 is a wasteful number, since it uses less digits than its factorization.

2003667020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30350 (or 30348 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 2003667020 is about 44762.3393043751. The cubic root of 2003667020 is about 1260.6906057050.

The spelling of 2003667020 in words is "two billion, three million, six hundred sixty-seven thousand, twenty".