20337326880 has 192 divisors, whose sum is σ = 69076603008. Its totient is φ = 4999864320.

The previous prime is 20337326839. The next prime is 20337326921. The reversal of 20337326880 is 8862373302.

It is a Cunningham number, because it is equal to 142609²-1.

It is an interprime number because it is at equal distance from previous prime (20337326839) and next prime (20337326921).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6843795 + ... + 6846765.

It is an arithmetic number, because the mean of its divisors is an integer number (359773974).

Almost surely, 2^20337326880 is an apocalyptic number.

20337326880 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 20337326880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34538301504).

20337326880 is an abundant number, since it is smaller than the sum of its proper divisors (48739276128).

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

20337326880 is a wasteful number, since it uses less digits than its factorization.

20337326880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099 (or 4091 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 20337326880 in words is "twenty billion, three hundred thirty-seven million, three hundred twenty-six thousand, eight hundred eighty".