20090060880 has 160 divisors (see below), whose sum is σ = 66505743360. Its totient is φ = 5005701120.

The previous prime is 20090060867. The next prime is 20090060923. The reversal of 20090060880 is 8806009002.

It is a super-2 number, since 2×20090060880² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169204 + ... + 262316.

It is an arithmetic number, because the mean of its divisors is an integer number (415660896).

Almost surely, 2^20090060880 is an apocalyptic number.

20090060880 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 20090060880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33252871680).

20090060880 is an abundant number, since it is smaller than the sum of its proper divisors (46415682480).

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

20090060880 is a wasteful number, since it uses less digits than its factorization.

20090060880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93189 (or 93183 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

Adding to 20090060880 its reverse (8806009002), we get a palindrome (28896069882).

The spelling of 20090060880 in words is "twenty billion, ninety million, sixty thousand, eight hundred eighty".