20723341274 has 16 divisors (see below), whose sum is σ = 32556245760. Its totient is φ = 9874584720.

The previous prime is 20723341231. The next prime is 20723341283. The reversal of 20723341274 is 47214332702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818729 + ... + 843660.

It is an arithmetic number, because the mean of its divisors is an integer number (2034765360).

Almost surely, 2^20723341274 is an apocalyptic number.

20723341274 is a deficient number, since it is larger than the sum of its proper divisors (11832904486).

20723341274 is a wasteful number, since it uses less digits than its factorization.

20723341274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662685.

The product of its (nonzero) digits is 56448, while the sum is 35.

Adding to 20723341274 its reverse (47214332702), we get a palindrome (67937673976).

The spelling of 20723341274 in words is "twenty billion, seven hundred twenty-three million, three hundred forty-one thousand, two hundred seventy-four".