20352263605660 has 48 divisors (see below), whose sum is σ = 48863886672384. Its totient is φ = 6975282662208.

The previous prime is 20352263605607. The next prime is 20352263605697. The reversal of 20352263605660 is 6650636225302.

It is a self number, because there is not a number n which added to its sum of digits gives 20352263605660.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 27089434 + ... + 27830593.

It is an arithmetic number, because the mean of its divisors is an integer number (1017997639008).

Almost surely, 2^{20352263605660} is an apocalyptic number.

20352263605660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20352263605660 is an abundant number, since it is smaller than the sum of its proper divisors (28511623066724).

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

20352263605660 is a wasteful number, since it uses less digits than its factorization.

20352263605660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54922690 (or 54922688 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 20352263605660 in words is "twenty trillion, three hundred fifty-two billion, two hundred sixty-three million, six hundred five thousand, six hundred sixty".