20124313145 has 8 divisors (see below), whose sum is σ = 24159461760. Its totient is φ = 16092593200.

The previous prime is 20124313129. The next prime is 20124313207. The reversal of 20124313145 is 54131342102.

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 20124313145 - 2⁴ = 20124313129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844235 + ... + 867744.

It is an arithmetic number, because the mean of its divisors is an integer number (3019932720).

Almost surely, 2^20124313145 is an apocalyptic number.

It is an amenable number.

20124313145 is a deficient number, since it is larger than the sum of its proper divisors (4035148615).

20124313145 is a wasteful number, since it uses less digits than its factorization.

20124313145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714335.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20124313145 its reverse (54131342102), we get a palindrome (74255655247).

The spelling of 20124313145 in words is "twenty billion, one hundred twenty-four million, three hundred thirteen thousand, one hundred forty-five".