20336261120 has 288 divisors, whose sum is σ = 57400630560. Its totient is φ = 6773145600.

The previous prime is 20336261111. The next prime is 20336261147. The reversal of 20336261120 is 2116263302.

It is a self number, because there is not a number n which added to its sum of digits gives 20336261120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201349070 + ... + 201349170.

It is an arithmetic number, because the mean of its divisors is an integer number (199307745).

Almost surely, 2^20336261120 is an apocalyptic number.

20336261120 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 20336261120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28700315280).

20336261120 is an abundant number, since it is smaller than the sum of its proper divisors (37064369440).

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

20336261120 is an equidigital number, since it uses as much as digits as its factorization.

20336261120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 20336261120 in words is "twenty billion, three hundred thirty-six million, two hundred sixty-one thousand, one hundred twenty".