20152611331 has 8 divisors (see below), whose sum is σ = 20181434000. Its totient is φ = 20123808480.

The previous prime is 20152611319. The next prime is 20152611373. The reversal of 20152611331 is 13311625102.

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 20152611331 - 2⁷ = 20152611203 is a prime.

It is a super-2 number, since 2×20152611331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20152611296 and 20152611305.

It is not an unprimeable number, because it can be changed into a prime (20152611931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4427845 + ... + 4432393.

It is an arithmetic number, because the mean of its divisors is an integer number (2522679250).

Almost surely, 2^20152611331 is an apocalyptic number.

20152611331 is a deficient number, since it is larger than the sum of its proper divisors (28822669).

20152611331 is a wasteful number, since it uses less digits than its factorization.

20152611331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 20152611331 in words is "twenty billion, one hundred fifty-two million, six hundred eleven thousand, three hundred thirty-one".