20971015740330 has 32 divisors (see below), whose sum is σ = 50331434704128. Its totient is φ = 5592160094400.

The previous prime is 20971015740319. The next prime is 20971015740331. The reversal of 20971015740330 is 3304751017902.

It is not an unprimeable number, because it can be changed into a prime (20971015740331) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5377641 + ... + 8417900.

It is an arithmetic number, because the mean of its divisors is an integer number (1572857334504).

Almost surely, 2^{20971015740330} is an apocalyptic number.

20971015740330 is an abundant number, since it is smaller than the sum of its proper divisors (29360418963798).

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

20971015740330 is a wasteful number, since it uses less digits than its factorization.

20971015740330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13846222.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 20971015740330 in words is "twenty trillion, nine hundred seventy-one billion, fifteen million, seven hundred forty thousand, three hundred thirty".