3330432021 has 32 divisors (see below), whose sum is σ = 5301854208. Its totient is φ = 1819494720.

The previous prime is 3330432011. The next prime is 3330432023. The reversal of 3330432021 is 1202340333.

It is not a de Polignac number, because 3330432021 - 2⁵ = 3330431989 is a prime.

It is a super-2 number, since 2×3330432021² = 22183554893004288882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3330432023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23215 + ... + 84851.

It is an arithmetic number, because the mean of its divisors is an integer number (165682944).

Almost surely, 2^3330432021 is an apocalyptic number.

3330432021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3330432021 is a deficient number, since it is larger than the sum of its proper divisors (1971422187).

3330432021 is a wasteful number, since it uses less digits than its factorization.

3330432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61761.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 3330432021 is about 57709.8953473319. The cubic root of 3330432021 is about 1493.3680578870.

Adding to 3330432021 its reverse (1202340333), we get a palindrome (4532772354).

The spelling of 3330432021 in words is "three billion, three hundred thirty million, four hundred thirty-two thousand, twenty-one".