20272476293 has 2 divisors, whose sum is σ = 20272476294. Its totient is φ = 20272476292.

The previous prime is 20272476277. The next prime is 20272476311. The reversal of 20272476293 is 39267427202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16971054529 + 3301421764 = 130273^2 + 57458^2 .

It is a cyclic number.

It is not a de Polignac number, because 20272476293 - 2⁴ = 20272476277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20272472293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10136238146 + 10136238147.

It is an arithmetic number, because the mean of its divisors is an integer number (10136238147).

Almost surely, 2^20272476293 is an apocalyptic number.

It is an amenable number.

20272476293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20272476293 is an equidigital number, since it uses as much as digits as its factorization.

20272476293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 20272476293 in words is "twenty billion, two hundred seventy-two million, four hundred seventy-six thousand, two hundred ninety-three".