20942761274 has 32 divisors (see below), whose sum is σ = 33127816320. Its totient is φ = 9910372032.

The previous prime is 20942761253. The next prime is 20942761289. The reversal of 20942761274 is 47216724902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1710944 + ... + 1723140.

It is an arithmetic number, because the mean of its divisors is an integer number (1035244260).

Almost surely, 2^20942761274 is an apocalyptic number.

20942761274 is a deficient number, since it is larger than the sum of its proper divisors (12185055046).

20942761274 is a wasteful number, since it uses less digits than its factorization.

20942761274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 20942761274 in words is "twenty billion, nine hundred forty-two million, seven hundred sixty-one thousand, two hundred seventy-four".