20313148945 has 8 divisors (see below), whose sum is σ = 24477770880. Its totient is φ = 16182524400.

The previous prime is 20313148943. The next prime is 20313148949. The reversal of 20313148945 is 54984131302.

It is a happy number.

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

It is not a de Polignac number, because 20313148945 - 2¹ = 20313148943 is a prime.

It is a super-3 number, since 3×20313148945³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20313148898 and 20313148907.

It is not an unprimeable number, because it can be changed into a prime (20313148943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8498031 + ... + 8500420.

It is an arithmetic number, because the mean of its divisors is an integer number (3059721360).

Almost surely, 2^20313148945 is an apocalyptic number.

It is an amenable number.

20313148945 is a deficient number, since it is larger than the sum of its proper divisors (4164621935).

20313148945 is a wasteful number, since it uses less digits than its factorization.

20313148945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16998695.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 20313148945 in words is "twenty billion, three hundred thirteen million, one hundred forty-eight thousand, nine hundred forty-five".