20701343774 has 16 divisors (see below), whose sum is σ = 31339230720. Its totient is φ = 10255374360.

The previous prime is 20701343701. The next prime is 20701343783. The reversal of 20701343774 is 47734310702.

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, 15884 + ... + 204095.

It is an arithmetic number, because the mean of its divisors is an integer number (1958701920).

Almost surely, 2^20701343774 is an apocalyptic number.

20701343774 is a deficient number, since it is larger than the sum of its proper divisors (10637886946).

20701343774 is a wasteful number, since it uses less digits than its factorization.

20701343774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220415.

The product of its (nonzero) digits is 98784, while the sum is 38.

The spelling of 20701343774 in words is "twenty billion, seven hundred one million, three hundred forty-three thousand, seven hundred seventy-four".