233020220021 has 8 divisors (see below), whose sum is σ = 240544965888. Its totient is φ = 225495972000.

The previous prime is 233020220009. The next prime is 233020220023. The reversal of 233020220021 is 120022020332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233020220021 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 (233020220023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983441 + ... + 1197161.

It is an arithmetic number, because the mean of its divisors is an integer number (30068120736).

Almost surely, 2^233020220021 is an apocalyptic number.

It is an amenable number.

233020220021 is a deficient number, since it is larger than the sum of its proper divisors (7524745867).

233020220021 is a wasteful number, since it uses less digits than its factorization.

233020220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248923.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 233020220021 its reverse (120022020332), we get a palindrome (353042240353).

The spelling of 233020220021 in words is "two hundred thirty-three billion, twenty million, two hundred twenty thousand, twenty-one".