20200331032111 has 4 divisors (see below), whose sum is σ = 20851954613824. Its totient is φ = 19548707450400.

The previous prime is 20200331031973. The next prime is 20200331032117. The reversal of 20200331032111 is 11123013300202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200331032111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200331032117) 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, 325811790810 + ... + 325811790871.

It is an arithmetic number, because the mean of its divisors is an integer number (5212988653456).

Almost surely, 2^{20200331032111} is an apocalyptic number.

20200331032111 is a deficient number, since it is larger than the sum of its proper divisors (651623581713).

20200331032111 is an equidigital number, since it uses as much as digits as its factorization.

20200331032111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651623581712.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20200331032111 its reverse (11123013300202), we get a palindrome (31323344332313).

The spelling of 20200331032111 in words is "twenty trillion, two hundred billion, three hundred thirty-one million, thirty-two thousand, one hundred eleven".