20150310245 has 12 divisors (see below), whose sum is σ = 26183481156. Its totient is φ = 14880228480.

The previous prime is 20150310227. The next prime is 20150310289. The reversal of 20150310245 is 54201305102.

It can be written as a sum of positive squares in 6 ways, for example, as 3880542436 + 16269767809 = 62294^2 + 127553^2 .

It is not a de Polignac number, because 20150310245 - 2⁶ = 20150310181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20150310245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11922416 + ... + 11924105.

It is an arithmetic number, because the mean of its divisors is an integer number (2181956763).

Almost surely, 2^20150310245 is an apocalyptic number.

It is an amenable number.

20150310245 is a deficient number, since it is larger than the sum of its proper divisors (6033170911).

20150310245 is a wasteful number, since it uses less digits than its factorization.

20150310245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23846552 (or 23846539 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 20150310245 its reverse (54201305102), we get a palindrome (74351615347).

The spelling of 20150310245 in words is "twenty billion, one hundred fifty million, three hundred ten thousand, two hundred forty-five".