2000203878881 has 32 divisors (see below), whose sum is σ = 2207791918080. Its totient is φ = 1800797838336.

The previous prime is 2000203878817. The next prime is 2000203878889. The reversal of 2000203878881 is 1888783020002.

It is a cyclic number.

It is not a de Polignac number, because 2000203878881 - 2⁶ = 2000203878817 is a prime.

It is a super-2 number, since 2×2000203878881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000203878889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241362320 + ... + 241370606.

It is an arithmetic number, because the mean of its divisors is an integer number (68993497440).

Almost surely, 2^{2000203878881} is an apocalyptic number.

It is an amenable number.

2000203878881 is a deficient number, since it is larger than the sum of its proper divisors (207588039199).

2000203878881 is a wasteful number, since it uses less digits than its factorization.

2000203878881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793.

The product of its (nonzero) digits is 344064, while the sum is 47.

Adding to 2000203878881 its reverse (1888783020002), we get a palindrome (3888986898883).

The spelling of 2000203878881 in words is "two trillion, two hundred three million, eight hundred seventy-eight thousand, eight hundred eighty-one".