20648002024660 has 48 divisors (see below), whose sum is σ = 43409788183440. Its totient is φ = 8249871651840.

The previous prime is 20648002024621. The next prime is 20648002024687. The reversal of 20648002024660 is 6642020084602.

It can be written as a sum of positive squares in 8 ways, for example, as 603523889424 + 20044478135236 = 776868^2 + 4477106^2 .

It is a super-2 number, since 2×20648002024660² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477267430 + ... + 477310690.

It is an arithmetic number, because the mean of its divisors is an integer number (904370587155).

Almost surely, 2^{20648002024660} is an apocalyptic number.

20648002024660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20648002024660 is an abundant number, since it is smaller than the sum of its proper divisors (22761786158780).

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

20648002024660 is a wasteful number, since it uses less digits than its factorization.

20648002024660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69676 (or 69674 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 20648002024660 in words is "twenty trillion, six hundred forty-eight billion, two million, twenty-four thousand, six hundred sixty".