20587273223460 has 48 divisors (see below), whose sum is σ = 57650451739776. Its totient is φ = 5489359839232.

The previous prime is 20587273223453. The next prime is 20587273223513. The reversal of 20587273223460 is 6432237278502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17542104 + ... + 18678863.

It is an arithmetic number, because the mean of its divisors is an integer number (1201051077912).

Almost surely, 2^{20587273223460} is an apocalyptic number.

20587273223460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20587273223460 is an abundant number, since it is smaller than the sum of its proper divisors (37063178516316).

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

20587273223460 is a wasteful number, since it uses less digits than its factorization.

20587273223460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36230452 (or 36230450 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 20587273223460 in words is "twenty trillion, five hundred eighty-seven billion, two hundred seventy-three million, two hundred twenty-three thousand, four hundred sixty".