20312525241 has 6 divisors (see below), whose sum is σ = 29340314250. Its totient is φ = 13541683488.

The previous prime is 20312525239. The next prime is 20312525257. The reversal of 20312525241 is 14252521302.

It can be written as a sum of positive squares in only one way, i.e., 18905150016 + 1407375225 = 137496^2 + 37515^2 .

It is not a de Polignac number, because 20312525241 - 2¹ = 20312525239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20312525221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128473616 + ... + 1128473633.

It is an arithmetic number, because the mean of its divisors is an integer number (4890052375).

Almost surely, 2^20312525241 is an apocalyptic number.

It is an amenable number.

20312525241 is a deficient number, since it is larger than the sum of its proper divisors (9027789009).

20312525241 is a wasteful number, since it uses less digits than its factorization.

20312525241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256947255 (or 2256947252 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 20312525241 in words is "twenty billion, three hundred twelve million, five hundred twenty-five thousand, two hundred forty-one".