20292510109 has 2 divisors, whose sum is σ = 20292510110. Its totient is φ = 20292510108.

The previous prime is 20292510013. The next prime is 20292510137. The reversal of 20292510109 is 90101529202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10989328900 + 9303181209 = 104830^2 + 96453^2 .

It is a cyclic number.

It is not a de Polignac number, because 20292510109 - 2¹³ = 20292501917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20292510509) 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 as a sum of consecutive naturals, namely, 10146255054 + 10146255055.

It is an arithmetic number, because the mean of its divisors is an integer number (10146255055).

Almost surely, 2^20292510109 is an apocalyptic number.

It is an amenable number.

20292510109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20292510109 is an equidigital number, since it uses as much as digits as its factorization.

20292510109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 20292510109 in words is "twenty billion, two hundred ninety-two million, five hundred ten thousand, one hundred nine".