332304020021 has 8 divisors (see below), whose sum is σ = 332840994744. Its totient is φ = 331767368640.

The previous prime is 332304020003. The next prime is 332304020023. The reversal of 332304020021 is 120020403233.

It can be written as a sum of positive squares in 4 ways, for example, as 69659044900 + 262644975121 = 263930^2 + 512489^2 .

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-332304020021 is a prime.

It is a super-2 number, since 2×332304020021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332304019975 and 332304020002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332304020023) 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 7 ways as a sum of consecutive naturals, for example, 2020151 + ... + 2178443.

It is an arithmetic number, because the mean of its divisors is an integer number (41605124343).

Almost surely, 2^332304020021 is an apocalyptic number.

It is an amenable number.

332304020021 is a deficient number, since it is larger than the sum of its proper divisors (536974723).

332304020021 is a wasteful number, since it uses less digits than its factorization.

332304020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161671.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 332304020021 its reverse (120020403233), we get a palindrome (452324423254).

The spelling of 332304020021 in words is "three hundred thirty-two billion, three hundred four million, twenty thousand, twenty-one".