20366722742 has 16 divisors (see below), whose sum is σ = 31443001200. Its totient is φ = 9886902048.

The previous prime is 20366722741. The next prime is 20366722759. The reversal of 20366722742 is 24722766302.

It is a self number, because there is not a number n which added to its sum of digits gives 20366722742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366722741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260117 + ... + 329232.

It is an arithmetic number, because the mean of its divisors is an integer number (1965187575).

Almost surely, 2^20366722742 is an apocalyptic number.

20366722742 is a deficient number, since it is larger than the sum of its proper divisors (11076278458).

20366722742 is a wasteful number, since it uses less digits than its factorization.

20366722742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589855.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 20366722742 in words is "twenty billion, three hundred sixty-six million, seven hundred twenty-two thousand, seven hundred forty-two".