20860730272 has 24 divisors (see below), whose sum is σ = 41453397216. Its totient is φ = 10332883392.

The previous prime is 20860730263. The next prime is 20860730291. The reversal of 20860730272 is 27203706802.

It is a happy number.

It is a super-2 number, since 2×20860730272² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3042828 + ... + 3049675.

It is an arithmetic number, because the mean of its divisors is an integer number (1727224884).

Almost surely, 2^20860730272 is an apocalyptic number.

It is an amenable number.

20860730272 is a deficient number, since it is larger than the sum of its proper divisors (20592666944).

20860730272 is a wasteful number, since it uses less digits than its factorization.

20860730272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092620 (or 6092612 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 20860730272 in words is "twenty billion, eight hundred sixty million, seven hundred thirty thousand, two hundred seventy-two".