20027000680 has 128 divisors (see below), whose sum is σ = 48660756480. Its totient is φ = 7396392960.

The previous prime is 20027000663. The next prime is 20027000681. The reversal of 20027000680 is 8600072002.

It is a super-3 number, since 3×20027000680³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20027000681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16455432 + ... + 16456648.

It is an arithmetic number, because the mean of its divisors is an integer number (380162160).

Almost surely, 2^20027000680 is an apocalyptic number.

20027000680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20027000680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24330378240).

20027000680 is an abundant number, since it is smaller than the sum of its proper divisors (28633755800).

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

20027000680 is a wasteful number, since it uses less digits than its factorization.

20027000680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 20027000680 its reverse (8600072002), we get a palindrome (28627072682).

The spelling of 20027000680 in words is "twenty billion, twenty-seven million, six hundred eighty", and thus it is an aban number.