20008112355 has 192 divisors, whose sum is σ = 46102118400. Its totient is φ = 7775688960.

The previous prime is 20008112351. The next prime is 20008112387. The reversal of 20008112355 is 55321180002.

It is a happy number.

It is not a de Polignac number, because 20008112355 - 2² = 20008112351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20008112351) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5199042 + ... + 5202888.

It is an arithmetic number, because the mean of its divisors is an integer number (240115200).

Almost surely, 2^20008112355 is an apocalyptic number.

20008112355 is an abundant number, since it is smaller than the sum of its proper divisors (26094006045).

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

20008112355 is a wasteful number, since it uses less digits than its factorization.

20008112355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974 (or 3971 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 20008112355 its reverse (55321180002), we get a palindrome (75329292357).

The spelling of 20008112355 in words is "twenty billion, eight million, one hundred twelve thousand, three hundred fifty-five".