20315252307 has 24 divisors (see below), whose sum is σ = 31425655296. Its totient is φ = 11435398128.

The previous prime is 20315252201. The next prime is 20315252323. The reversal of 20315252307 is 70325251302.

It is a happy number.

It is not a de Polignac number, because 20315252307 - 2¹⁴ = 20315235923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20315252707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13483 + ... + 202020.

It is an arithmetic number, because the mean of its divisors is an integer number (1309402304).

Almost surely, 2^20315252307 is an apocalyptic number.

20315252307 is a deficient number, since it is larger than the sum of its proper divisors (11110402989).

20315252307 is an equidigital number, since it uses as much as digits as its factorization.

20315252307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215647 (or 215580 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The spelling of 20315252307 in words is "twenty billion, three hundred fifteen million, two hundred fifty-two thousand, three hundred seven".