20443340182530 has 32 divisors (see below), whose sum is σ = 49065481399104. Its totient is φ = 5451394608576.

The previous prime is 20443340182519. The next prime is 20443340182547. The reversal of 20443340182530 is 3528104334402.

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 15 ways as a sum of consecutive naturals, for example, 9150157 + ... + 11162976.

It is an arithmetic number, because the mean of its divisors is an integer number (1533296293722).

Almost surely, 2^{20443340182530} is an apocalyptic number.

20443340182530 is an abundant number, since it is smaller than the sum of its proper divisors (28622141216574).

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

20443340182530 is a wasteful number, since it uses less digits than its factorization.

20443340182530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20346690.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 20443340182530 in words is "twenty trillion, four hundred forty-three billion, three hundred forty million, one hundred eighty-two thousand, five hundred thirty".