20660466350460 has 48 divisors (see below), whose sum is σ = 58940802125856. Its totient is φ = 5405505660672.

The previous prime is 20660466350443. The next prime is 20660466350467. The reversal of 20660466350460 is 6405366406602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20660466350467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3248497819 + ... + 3248504178.

It is an arithmetic number, because the mean of its divisors is an integer number (1227933377622).

Almost surely, 2^{20660466350460} is an apocalyptic number.

20660466350460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20660466350460 is an abundant number, since it is smaller than the sum of its proper divisors (38280335775396).

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

20660466350460 is a wasteful number, since it uses less digits than its factorization.

20660466350460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497002062 (or 6497002060 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 20660466350460 in words is "twenty trillion, six hundred sixty billion, four hundred sixty-six million, three hundred fifty thousand, four hundred sixty".