2000542554 has 48 divisors (see below), whose sum is σ = 4491606600. Its totient is φ = 642757248.

The previous prime is 2000542549. The next prime is 2000542597. The reversal of 2000542554 is 4552450002.

It can be written as a sum of positive squares in 4 ways, for example, as 1057745529 + 942797025 = 32523^2 + 30705^2 .

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, 337932 + ... + 343800.

Almost surely, 2^2000542554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000542554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2245803300).

2000542554 is an abundant number, since it is smaller than the sum of its proper divisors (2491064046).

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

2000542554 is a wasteful number, since it uses less digits than its factorization.

2000542554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559 (or 6556 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 2000542554 is about 44727.4250767915. The cubic root of 2000542554 is about 1260.0349687952.

Adding to 2000542554 its reverse (4552450002), we get a palindrome (6552992556).

The spelling of 2000542554 in words is "two billion, five hundred forty-two thousand, five hundred fifty-four".