20483890566608 has 60 divisors (see below), whose sum is σ = 47149415583552. Its totient is φ = 8592027030720.

The previous prime is 20483890566577. The next prime is 20483890566619. The reversal of 20483890566608 is 80666509838402.

It is a super-2 number, since 2×20483890566608² (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 11 ways as a sum of consecutive naturals, for example, 277914338 + ... + 277988033.

Almost surely, 2^{20483890566608} is an apocalyptic number.

20483890566608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20483890566608 is an abundant number, since it is smaller than the sum of its proper divisors (26665525016944).

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

20483890566608 is a wasteful number, since it uses less digits than its factorization.

20483890566608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555902440 (or 555902427 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 65.

The spelling of 20483890566608 in words is "twenty trillion, four hundred eighty-three billion, eight hundred ninety million, five hundred sixty-six thousand, six hundred eight".