232020443021 has 4 divisors (see below), whose sum is σ = 232521567552. Its totient is φ = 231519318492.

The previous prime is 232020442963. The next prime is 232020443023. The reversal of 232020443021 is 120344020232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232020443021 - 2¹⁸ = 232020180877 is a prime.

It is a super-2 number, since 2×232020443021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232020443023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250561571 + ... + 250562496.

It is an arithmetic number, because the mean of its divisors is an integer number (58130391888).

Almost surely, 2^232020443021 is an apocalyptic number.

It is an amenable number.

232020443021 is a deficient number, since it is larger than the sum of its proper divisors (501124531).

232020443021 is an equidigital number, since it uses as much as digits as its factorization.

232020443021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501124530.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 232020443021 its reverse (120344020232), we get a palindrome (352364463253).

The spelling of 232020443021 in words is "two hundred thirty-two billion, twenty million, four hundred forty-three thousand, twenty-one".