203020032011 has 16 divisors (see below), whose sum is σ = 211437255840. Its totient is φ = 194698183680.

The previous prime is 203020031989. The next prime is 203020032023. The reversal of 203020032011 is 110230020302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 203020032011 - 2⁶ = 203020031947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203020032071) 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, 15296000 + ... + 15309266.

It is an arithmetic number, because the mean of its divisors is an integer number (13214828490).

Almost surely, 2^203020032011 is an apocalyptic number.

203020032011 is a deficient number, since it is larger than the sum of its proper divisors (8417223829).

203020032011 is a wasteful number, since it uses less digits than its factorization.

203020032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16814.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 203020032011 its reverse (110230020302), we get a palindrome (313250052313).

The spelling of 203020032011 in words is "two hundred three billion, twenty million, thirty-two thousand, eleven".