20115413158 has 32 divisors (see below), whose sum is σ = 31573960704. Its totient is φ = 9601916352.

The previous prime is 20115413137. The next prime is 20115413161. The reversal of 20115413158 is 85131451102.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3461091 + ... + 3466897.

It is an arithmetic number, because the mean of its divisors is an integer number (986686272).

Almost surely, 2^20115413158 is an apocalyptic number.

20115413158 is a deficient number, since it is larger than the sum of its proper divisors (11458547546).

20115413158 is a wasteful number, since it uses less digits than its factorization.

20115413158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756.

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 20115413158 in words is "twenty billion, one hundred fifteen million, four hundred thirteen thousand, one hundred fifty-eight".