20774755662272 has 28 divisors (see below), whose sum is σ = 41231981315400. Its totient is φ = 10385595015936.

The previous prime is 20774755662239. The next prime is 20774755662293. The reversal of 20774755662272 is 27226655747702.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27480647 + ... + 28226502.

Almost surely, 2^{20774755662272} is an apocalyptic number.

It is an amenable number.

20774755662272 is a deficient number, since it is larger than the sum of its proper divisors (20457225653128).

20774755662272 is an equidigital number, since it uses as much as digits as its factorization.

20774755662272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55712988 (or 55712978 counting only the distinct ones).

The product of its (nonzero) digits is 138297600, while the sum is 62.

The spelling of 20774755662272 in words is "twenty trillion, seven hundred seventy-four billion, seven hundred fifty-five million, six hundred sixty-two thousand, two hundred seventy-two".