20850710574 has 16 divisors (see below), whose sum is σ = 41723637120. Its totient is φ = 6946534200.

The previous prime is 20850710567. The next prime is 20850710591. The reversal of 20850710574 is 47501705802.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 913452 + ... + 935999.

It is an arithmetic number, because the mean of its divisors is an integer number (2607727320).

Almost surely, 2^20850710574 is an apocalyptic number.

20850710574 is an abundant number, since it is smaller than the sum of its proper divisors (20872926546).

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

20850710574 is a wasteful number, since it uses less digits than its factorization.

20850710574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851335.

The product of its (nonzero) digits is 78400, while the sum is 39.

The spelling of 20850710574 in words is "twenty billion, eight hundred fifty million, seven hundred ten thousand, five hundred seventy-four".