20152316345 has 8 divisors (see below), whose sum is σ = 27637462464. Its totient is φ = 13818731184.

The previous prime is 20152316333. The next prime is 20152316407. The reversal of 20152316345 is 54361325102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20152316345 - 2⁶ = 20152316281 is a prime.

It is a super-2 number, since 2×20152316345² (a number of 21 digits) contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 287890199 + ... + 287890268.

It is an arithmetic number, because the mean of its divisors is an integer number (3454682808).

Almost surely, 2^20152316345 is an apocalyptic number.

It is an amenable number.

20152316345 is a deficient number, since it is larger than the sum of its proper divisors (7485146119).

20152316345 is an equidigital number, since it uses as much as digits as its factorization.

20152316345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575780479.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 20152316345 in words is "twenty billion, one hundred fifty-two million, three hundred sixteen thousand, three hundred forty-five".