2003545112220 has 72 divisors (see below), whose sum is σ = 6077602649664. Its totient is φ = 534262654848.

The previous prime is 2003545112209. The next prime is 2003545112281. The reversal of 2003545112220 is 222115453002.

2003545112220 is a `hidden beast` number, since 2 + 0 + 0 + 3 + 545 + 112 + 2 + 2 + 0 = 666.

It is a congruent number.

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, 6604717 + ... + 6901403.

It is an arithmetic number, because the mean of its divisors is an integer number (84411147912).

Almost surely, 2^{2003545112220} is an apocalyptic number.

2003545112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003545112220 is an abundant number, since it is smaller than the sum of its proper divisors (4074057537444).

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

2003545112220 is a wasteful number, since it uses less digits than its factorization.

2003545112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334219 (or 334214 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 2003545112220 in words is "two trillion, three billion, five hundred forty-five million, one hundred twelve thousand, two hundred twenty".