332010021 has 32 divisors (see below), whose sum is σ = 518676480. Its totient is φ = 184968576.

The previous prime is 332010001. The next prime is 332010053. The reversal of 332010021 is 120010233.

It is a happy number.

It is not a de Polignac number, because 332010021 - 2⁵ = 332009989 is a prime.

It is a super-2 number, since 2×332010021² = 220461308088840882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 332009979 and 332010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332010001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353865 + ... + 354801.

It is an arithmetic number, because the mean of its divisors is an integer number (16208640).

Almost surely, 2^332010021 is an apocalyptic number.

It is an amenable number.

332010021 is a deficient number, since it is larger than the sum of its proper divisors (186666459).

332010021 is a wasteful number, since it uses less digits than its factorization.

332010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 332010021 is about 18221.1421431259. The cubic root of 332010021 is about 692.4425239564.

Adding to 332010021 its reverse (120010233), we get a palindrome (452020254).

The spelling of 332010021 in words is "three hundred thirty-two million, ten thousand, twenty-one".