20876841570 has 32 divisors (see below), whose sum is σ = 53958606912. Its totient is φ = 5138914752.

The previous prime is 20876841553. The next prime is 20876841647. The reversal of 20876841570 is 7514867802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26764792 + ... + 26765571.

It is an arithmetic number, because the mean of its divisors is an integer number (1686206466).

Almost surely, 2^20876841570 is an apocalyptic number.

20876841570 is an abundant number, since it is smaller than the sum of its proper divisors (33081765342).

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

20876841570 is a wasteful number, since it uses less digits than its factorization.

20876841570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53530386.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 20876841570 in words is "twenty billion, eight hundred seventy-six million, eight hundred forty-one thousand, five hundred seventy".