20507347001 has 2 divisors, whose sum is σ = 20507347002. Its totient is φ = 20507347000.

The previous prime is 20507346997. The next prime is 20507347039. The reversal of 20507347001 is 10074370502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17836938025 + 2670408976 = 133555^2 + 51676^2 .

It is a cyclic number.

It is not a de Polignac number, because 20507347001 - 2² = 20507346997 is a prime.

It is not a weakly prime, because it can be changed into another prime (20507343001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10253673500 + 10253673501.

It is an arithmetic number, because the mean of its divisors is an integer number (10253673501).

Almost surely, 2^20507347001 is an apocalyptic number.

It is an amenable number.

20507347001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20507347001 is an equidigital number, since it uses as much as digits as its factorization.

20507347001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The spelling of 20507347001 in words is "twenty billion, five hundred seven million, three hundred forty-seven thousand, one".