20360971 has 2 divisors, whose sum is σ = 20360972. Its totient is φ = 20360970.

The previous prime is 20360953. The next prime is 20360993. The reversal of 20360971 is 17906302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20360971 - 2¹⁷ = 20229899 is a prime.

It is a super-3 number, since 3×20360971³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20363971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10180485 + 10180486.

It is an arithmetic number, because the mean of its divisors is an integer number (10180486).

Almost surely, 2^20360971 is an apocalyptic number.

20360971 is a deficient number, since it is larger than the sum of its proper divisors (1).

20360971 is an equidigital number, since it uses as much as digits as its factorization.

20360971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 20360971 is about 4512.3132648343. The cubic root of 20360971 is about 273.0650777155.

The spelling of 20360971 in words is "twenty million, three hundred sixty thousand, nine hundred seventy-one".