20330465526 has 48 divisors (see below), whose sum is σ = 50494299648. Its totient is φ = 5791143600.

The previous prime is 20330465521. The next prime is 20330465537. The reversal of 20330465526 is 62556403302.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330465521) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 202030 + ... + 285441.

It is an arithmetic number, because the mean of its divisors is an integer number (1051964576).

Almost surely, 2^20330465526 is an apocalyptic number.

20330465526 is an abundant number, since it is smaller than the sum of its proper divisors (30163834122).

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

20330465526 is a wasteful number, since it uses less digits than its factorization.

20330465526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487817 (or 487814 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 20330465526 its reverse (62556403302), we get a palindrome (82886868828).

The spelling of 20330465526 in words is "twenty billion, three hundred thirty million, four hundred sixty-five thousand, five hundred twenty-six".