20332313310 has 128 divisors (see below), whose sum is σ = 52548839424. Its totient is φ = 5016453120.

The previous prime is 20332313299. The next prime is 20332313341. The reversal of 20332313310 is 1331323302.

It is a super-2 number, since 2×20332313310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17633694 + ... + 17634846.

It is an arithmetic number, because the mean of its divisors is an integer number (410537808).

Almost surely, 2^20332313310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20332313310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26274419712).

20332313310 is an abundant number, since it is smaller than the sum of its proper divisors (32216526114).

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

20332313310 is a wasteful number, since it uses less digits than its factorization.

20332313310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20332313310 its reverse (1331323302), we get a palindrome (21663636612).

The spelling of 20332313310 in words is "twenty billion, three hundred thirty-two million, three hundred thirteen thousand, three hundred ten".