20727244346 has 16 divisors (see below), whose sum is σ = 31985051904. Its totient is φ = 10069357584.

The previous prime is 20727244313. The next prime is 20727244367. The reversal of 20727244346 is 64344272702.

It is a happy 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, 938306 + ... + 960141.

It is an arithmetic number, because the mean of its divisors is an integer number (1999065744).

Almost surely, 2^20727244346 is an apocalyptic number.

20727244346 is a deficient number, since it is larger than the sum of its proper divisors (11257807558).

20727244346 is a wasteful number, since it uses less digits than its factorization.

20727244346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898605.

The product of its (nonzero) digits is 451584, while the sum is 41.

The spelling of 20727244346 in words is "twenty billion, seven hundred twenty-seven million, two hundred forty-four thousand, three hundred forty-six".