1000020203411 has 4 divisors (see below), whose sum is σ = 1009194700800. Its totient is φ = 990845706024.

The previous prime is 1000020203393. The next prime is 1000020203419. The reversal of 1000020203411 is 1143020200001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000020203411 - 2¹⁸ = 1000019941267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000020203419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4587248531 + ... + 4587248748.

It is an arithmetic number, because the mean of its divisors is an integer number (252298675200).

Almost surely, 2^{1000020203411} is an apocalyptic number.

1000020203411 is a deficient number, since it is larger than the sum of its proper divisors (9174497389).

1000020203411 is an equidigital number, since it uses as much as digits as its factorization.

1000020203411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9174497388.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1000020203411 its reverse (1143020200001), we get a palindrome (2143040403412).

The spelling of 1000020203411 in words is "one trillion, twenty million, two hundred three thousand, four hundred eleven".