20333233142011 has 16 divisors (see below), whose sum is σ = 21575396044800. Its totient is φ = 19108831392000.

The previous prime is 20333233142009. The next prime is 20333233142023. The reversal of 20333233142011 is 11024133233302.

It is not a de Polignac number, because 20333233142011 - 2¹ = 20333233142009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20333233142081) 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, 6500790 + ... + 9106411.

It is an arithmetic number, because the mean of its divisors is an integer number (1348462252800).

Almost surely, 2^{20333233142011} is an apocalyptic number.

20333233142011 is a deficient number, since it is larger than the sum of its proper divisors (1242162902789).

20333233142011 is a wasteful number, since it uses less digits than its factorization.

20333233142011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15607770.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20333233142011 its reverse (11024133233302), we get a palindrome (31357366375313).

The spelling of 20333233142011 in words is "twenty trillion, three hundred thirty-three billion, two hundred thirty-three million, one hundred forty-two thousand, eleven".