20023313310 has 384 divisors, whose sum is σ = 71800694784. Its totient is φ = 3736212480.

The previous prime is 20023313293. The next prime is 20023313329. The reversal of 20023313310 is 1331332002.

20023313310 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 331 + 331 + 0 = 666.

It is a super-2 number, since 2×20023313310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3330327 + ... + 3336333.

It is an arithmetic number, because the mean of its divisors is an integer number (186980976).

Almost surely, 2^20023313310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20023313310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35900347392).

20023313310 is an abundant number, since it is smaller than the sum of its proper divisors (51777381474).

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

20023313310 is a wasteful number, since it uses less digits than its factorization.

20023313310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088 (or 6085 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20023313310 its reverse (1331332002), we get a palindrome (21354645312).

It can be divided in two parts, 20023 and 313310, that added together give a palindrome (333333).

The spelling of 20023313310 in words is "twenty billion, twenty-three million, three hundred thirteen thousand, three hundred ten".