20020453323530 has 96 divisors (see below), whose sum is σ = 40458207767040. Its totient is φ = 7124437900800.

The previous prime is 20020453323527. The next prime is 20020453323601. The reversal of 20020453323530 is 3532335402002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 696131291 + ... + 696160049.

It is an arithmetic number, because the mean of its divisors is an integer number (421439664240).

Almost surely, 2^{20020453323530} is an apocalyptic number.

20020453323530 is an abundant number, since it is smaller than the sum of its proper divisors (20437754443510).

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

20020453323530 is a wasteful number, since it uses less digits than its factorization.

20020453323530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41076 (or 41065 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 20020453323530 its reverse (3532335402002), we get a palindrome (23552788725532).

The spelling of 20020453323530 in words is "twenty trillion, twenty billion, four hundred fifty-three million, three hundred twenty-three thousand, five hundred thirty".