20743066570 has 16 divisors (see below), whose sum is σ = 37387785600. Its totient is φ = 8286056464.

The previous prime is 20743066543. The next prime is 20743066583. The reversal of 20743066570 is 7566034702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388470 + ... + 1403329.

It is an arithmetic number, because the mean of its divisors is an integer number (2336736600).

Almost surely, 2^20743066570 is an apocalyptic number.

20743066570 is a deficient number, since it is larger than the sum of its proper divisors (16644719030).

20743066570 is a wasteful number, since it uses less digits than its factorization.

20743066570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792549.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 20743066570 in words is "twenty billion, seven hundred forty-three million, sixty-six thousand, five hundred seventy".