20055113700 has 144 divisors (see below), whose sum is σ = 62731609920. Its totient is φ = 4929569280.

The previous prime is 20055113693. The next prime is 20055113711. The reversal of 20055113700 is 731155002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163354 + ... + 258446.

It is an arithmetic number, because the mean of its divisors is an integer number (435636180).

Almost surely, 2^20055113700 is an apocalyptic number.

20055113700 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 20055113700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31365804960).

20055113700 is an abundant number, since it is smaller than the sum of its proper divisors (42676496220).

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

20055113700 is a wasteful number, since it uses less digits than its factorization.

20055113700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95166 (or 95159 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

Adding to 20055113700 its reverse (731155002), we get a palindrome (20786268702).

The spelling of 20055113700 in words is "twenty billion, fifty-five million, one hundred thirteen thousand, seven hundred".