20738055656228 has 24 divisors (see below), whose sum is σ = 36567479340000. Its totient is φ = 10290436593408.

The previous prime is 20738055656167. The next prime is 20738055656249. The reversal of 20738055656228 is 82265655083702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28664525 + ... + 29379092.

It is an arithmetic number, because the mean of its divisors is an integer number (1523644972500).

Almost surely, 2^{20738055656228} is an apocalyptic number.

It is an amenable number.

20738055656228 is a deficient number, since it is larger than the sum of its proper divisors (15829423683772).

20738055656228 is a wasteful number, since it uses less digits than its factorization.

20738055656228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58044299 (or 58044297 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 59.

The spelling of 20738055656228 in words is "twenty trillion, seven hundred thirty-eight billion, fifty-five million, six hundred fifty-six thousand, two hundred twenty-eight".