20021330333310 has 64 divisors (see below), whose sum is σ = 48595240491840. Its totient is φ = 5278581918720.

The previous prime is 20021330333297. The next prime is 20021330333317. The reversal of 20021330333310 is 1333303312002.

It is a super-2 number, since 2×20021330333310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021330333317) 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, 31568484 + ... + 32196456.

It is an arithmetic number, because the mean of its divisors is an integer number (759300632685).

Almost surely, 2^{20021330333310} is an apocalyptic number.

20021330333310 is an abundant number, since it is smaller than the sum of its proper divisors (28573910158530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20021330333310 is a wasteful number, since it uses less digits than its factorization.

20021330333310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640013.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 20021330333310 its reverse (1333303312002), we get a palindrome (21354633645312).

The spelling of 20021330333310 in words is "twenty trillion, twenty-one billion, three hundred thirty million, three hundred thirty-three thousand, three hundred ten".