20334335502 has 64 divisors (see below), whose sum is σ = 44412157440. Its totient is φ = 6169144704.

The previous prime is 20334335501. The next prime is 20334335509. The reversal of 20334335502 is 20553343302.

It is a self number, because there is not a number n which added to its sum of digits gives 20334335502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334335501) 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, 3603199 + ... + 3608837.

It is an arithmetic number, because the mean of its divisors is an integer number (693939960).

Almost surely, 2^20334335502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20334335502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22206078720).

20334335502 is an abundant number, since it is smaller than the sum of its proper divisors (24077821938).

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

20334335502 is a wasteful number, since it uses less digits than its factorization.

20334335502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6297.

The product of its (nonzero) digits is 32400, while the sum is 30.

Adding to 20334335502 its reverse (20553343302), we get a palindrome (40887678804).

The spelling of 20334335502 in words is "twenty billion, three hundred thirty-four million, three hundred thirty-five thousand, five hundred two".