20503226604612 has 24 divisors (see below), whose sum is σ = 47863785404736. Its totient is φ = 6831134107168.

The previous prime is 20503226604607. The next prime is 20503226604649. The reversal of 20503226604612 is 21640662230502.

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, 409319043 + ... + 409369130.

It is an arithmetic number, because the mean of its divisors is an integer number (1994324391864).

Almost surely, 2^{20503226604612} is an apocalyptic number.

It is an amenable number.

20503226604612 is an abundant number, since it is smaller than the sum of its proper divisors (27360558800124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20503226604612 is a wasteful number, since it uses less digits than its factorization.

20503226604612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818690267 (or 818690265 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 20503226604612 in words is "twenty trillion, five hundred three billion, two hundred twenty-six million, six hundred four thousand, six hundred twelve".