20200124115 has 64 divisors (see below), whose sum is σ = 38668492800. Its totient is φ = 9967744512.

The previous prime is 20200124107. The next prime is 20200124123. The reversal of 20200124115 is 51142100202.

It is an interprime number because it is at equal distance from previous prime (20200124107) and next prime (20200124123).

It is not a de Polignac number, because 20200124115 - 2³ = 20200124107 is a prime.

It is a super-2 number, since 2×20200124115² (a number of 21 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 60814 + ... + 209996.

It is an arithmetic number, because the mean of its divisors is an integer number (604195200).

Almost surely, 2^20200124115 is an apocalyptic number.

20200124115 is a deficient number, since it is larger than the sum of its proper divisors (18468368685).

20200124115 is a wasteful number, since it uses less digits than its factorization.

20200124115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149273 (or 149267 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 20200124115 its reverse (51142100202), we get a palindrome (71342224317).

The spelling of 20200124115 in words is "twenty billion, two hundred million, one hundred twenty-four thousand, one hundred fifteen".