20203030320011 has 32 divisors (see below), whose sum is σ = 25435179494400. Its totient is φ = 15588284215680.

The previous prime is 20203030319963. The next prime is 20203030320023. The reversal of 20203030320011 is 11002303030202.

It is not a de Polignac number, because 20203030320011 - 2⁶ = 20203030319947 is a prime.

It is a super-2 number, since 2×20203030320011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203030320091) 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 31 ways as a sum of consecutive naturals, for example, 86402525 + ... + 86636033.

It is an arithmetic number, because the mean of its divisors is an integer number (794849359200).

Almost surely, 2^{20203030320011} is an apocalyptic number.

20203030320011 is a deficient number, since it is larger than the sum of its proper divisors (5232149174389).

20203030320011 is a wasteful number, since it uses less digits than its factorization.

20203030320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244539.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20203030320011 its reverse (11002303030202), we get a palindrome (31205333350213).

The spelling of 20203030320011 in words is "twenty trillion, two hundred three billion, thirty million, three hundred twenty thousand, eleven".