20233233133021 has 16 divisors (see below), whose sum is σ = 20640329625600. Its totient is φ = 19830893644800.

The previous prime is 20233233132991. The next prime is 20233233133079. The reversal of 20233233133021 is 12033133233202.

It is a cyclic number.

It is not a de Polignac number, because 20233233133021 - 2¹³ = 20233233124829 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 (20233233134021) 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, 4002760 + ... + 7515886.

It is an arithmetic number, because the mean of its divisors is an integer number (1290020601600).

Almost surely, 2^{20233233133021} is an apocalyptic number.

It is an amenable number.

20233233133021 is a deficient number, since it is larger than the sum of its proper divisors (407096492579).

20233233133021 is a wasteful number, since it uses less digits than its factorization.

20233233133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513804.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 20233233133021 its reverse (12033133233202), we get a palindrome (32266366366223).

The spelling of 20233233133021 in words is "twenty trillion, two hundred thirty-three billion, two hundred thirty-three million, one hundred thirty-three thousand, twenty-one".