20300444011 has 16 divisors (see below), whose sum is σ = 20642452416. Its totient is φ = 19961819136.

The previous prime is 20300443991. The next prime is 20300444033. The reversal of 20300444011 is 11044400302.

It is a cyclic number.

It is not a de Polignac number, because 20300444011 - 2¹³ = 20300435819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20300444011.

It is not an unprimeable number, because it can be changed into a prime (20300444041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13155706 + ... + 13157248.

It is an arithmetic number, because the mean of its divisors is an integer number (1290153276).

Almost surely, 2^20300444011 is an apocalyptic number.

20300444011 is a deficient number, since it is larger than the sum of its proper divisors (342008405).

20300444011 is a wasteful number, since it uses less digits than its factorization.

20300444011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20300444011 its reverse (11044400302), we get a palindrome (31344844313).

The spelling of 20300444011 in words is "twenty billion, three hundred million, four hundred forty-four thousand, eleven".