20021443342232 has 64 divisors (see below), whose sum is σ = 39121794180000. Its totient is φ = 9594156708864.

The previous prime is 20021443342207. The next prime is 20021443342289. The reversal of 20021443342232 is 23224334412002.

It is a super-3 number, since 3×20021443342232³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51069068 + ... + 51459620.

Almost surely, 2^{20021443342232} is an apocalyptic number.

It is an amenable number.

20021443342232 is a deficient number, since it is larger than the sum of its proper divisors (19100350837768).

20021443342232 is a wasteful number, since it uses less digits than its factorization.

20021443342232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392220 (or 392216 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 20021443342232 its reverse (23224334412002), we get a palindrome (43245777754234).

The spelling of 20021443342232 in words is "twenty trillion, twenty-one billion, four hundred forty-three million, three hundred forty-two thousand, two hundred thirty-two".