20115224052 has 96 divisors (see below), whose sum is σ = 58543586304. Its totient is φ = 5222361600.

The previous prime is 20115224039. The next prime is 20115224071. The reversal of 20115224052 is 25042251102.

It is a super-3 number, since 3×20115224052³ (a number of 32 digits) contains 333 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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3057927 + ... + 3064497.

It is an arithmetic number, because the mean of its divisors is an integer number (609829024).

Almost surely, 2^20115224052 is an apocalyptic number.

20115224052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20115224052 is an abundant number, since it is smaller than the sum of its proper divisors (38428362252).

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

20115224052 is a wasteful number, since it uses less digits than its factorization.

20115224052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909 (or 9907 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 20115224052 its reverse (25042251102), we get a palindrome (45157475154).

The spelling of 20115224052 in words is "twenty billion, one hundred fifteen million, two hundred twenty-four thousand, fifty-two".