20460653533556 has 12 divisors (see below), whose sum is σ = 35806177905792. Its totient is φ = 10230316989048.

The previous prime is 20460653533499. The next prime is 20460653533559. The reversal of 20460653533556 is 65533535606402.

It is a junction number, because it is equal to n+sod(n) for n = 20460653533498 and 20460653533507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20460653533559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4382171 + ... + 7754013.

It is an arithmetic number, because the mean of its divisors is an integer number (2983848158816).

Almost surely, 2^{20460653533556} is an apocalyptic number.

It is an amenable number.

20460653533556 is a deficient number, since it is larger than the sum of its proper divisors (15345524372236).

20460653533556 is a wasteful number, since it uses less digits than its factorization.

20460653533556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888870 (or 4888868 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 53.

The spelling of 20460653533556 in words is "twenty trillion, four hundred sixty billion, six hundred fifty-three million, five hundred thirty-three thousand, five hundred fifty-six".