20230332021 has 12 divisors (see below), whose sum is σ = 29224779948. Its totient is φ = 13485416064.

The previous prime is 20230331999. The next prime is 20230332041. The reversal of 20230332021 is 12023303202.

It is a happy number.

20230332021 is a `hidden beast` number, since 20 + 2 + 303 + 320 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3658919121 + 16571412900 = 60489^2 + 128730^2 .

It is not a de Polignac number, because 20230332021 - 2³³ = 11640397429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20230331985 and 20230332003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230332041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32100 + ... + 203693.

It is an arithmetic number, because the mean of its divisors is an integer number (2435398329).

Almost surely, 2^20230332021 is an apocalyptic number.

It is an amenable number.

20230332021 is a deficient number, since it is larger than the sum of its proper divisors (8994447927).

20230332021 is a wasteful number, since it uses less digits than its factorization.

20230332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245332 (or 245329 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20230332021 its reverse (12023303202), we get a palindrome (32253635223).

The spelling of 20230332021 in words is "twenty billion, two hundred thirty million, three hundred thirty-two thousand, twenty-one".