20343115052 has 12 divisors (see below), whose sum is σ = 38338947696. Its totient is φ = 9389130000.

The previous prime is 20343115033. The next prime is 20343115109. The reversal of 20343115052 is 25051134302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 3 ways as a sum of consecutive naturals, for example, 195606824 + ... + 195606927.

It is an arithmetic number, because the mean of its divisors is an integer number (3194912308).

Almost surely, 2^20343115052 is an apocalyptic number.

It is an amenable number.

20343115052 is a deficient number, since it is larger than the sum of its proper divisors (17995832644).

20343115052 is a wasteful number, since it uses less digits than its factorization.

20343115052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391213768 (or 391213766 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 20343115052 its reverse (25051134302), we get a palindrome (45394249354).

The spelling of 20343115052 in words is "twenty billion, three hundred forty-three million, one hundred fifteen thousand, fifty-two".