20107291601 has 2 divisors, whose sum is σ = 20107291602. Its totient is φ = 20107291600.

The previous prime is 20107291583. The next prime is 20107291639. The reversal of 20107291601 is 10619270102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19188898576 + 918393025 = 138524^2 + 30305^2 .

It is a cyclic number.

It is not a de Polignac number, because 20107291601 - 2²² = 20103097297 is a prime.

It is not a weakly prime, because it can be changed into another prime (20107291651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10053645800 + 10053645801.

It is an arithmetic number, because the mean of its divisors is an integer number (10053645801).

Almost surely, 2^20107291601 is an apocalyptic number.

It is an amenable number.

20107291601 is a deficient number, since it is larger than the sum of its proper divisors (1).

20107291601 is an equidigital number, since it uses as much as digits as its factorization.

20107291601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 20107291601 in words is "twenty billion, one hundred seven million, two hundred ninety-one thousand, six hundred one".