20000265097 has 2 divisors, whose sum is σ = 20000265098. Its totient is φ = 20000265096.

The previous prime is 20000265091. The next prime is 20000265107. The reversal of 20000265097 is 79056200002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18105317136 + 1894947961 = 134556^2 + 43531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000265097 is a prime.

It is not a weakly prime, because it can be changed into another prime (20000265091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000132548 + 10000132549.

It is an arithmetic number, because the mean of its divisors is an integer number (10000132549).

Almost surely, 2^20000265097 is an apocalyptic number.

It is an amenable number.

20000265097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000265097 is an equidigital number, since it uses as much as digits as its factorization.

20000265097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 20000265097 its reverse (79056200002), we get a palindrome (99056465099).

The spelling of 20000265097 in words is "twenty billion, two hundred sixty-five thousand, ninety-seven".