20262732260653 has 2 divisors, whose sum is σ = 20262732260654. Its totient is φ = 20262732260652.

The previous prime is 20262732260651. The next prime is 20262732260707. The reversal of 20262732260653 is 35606223726202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19840236160644 + 422496100009 = 4454238^2 + 649997^2 .

It is a cyclic number.

It is not a de Polignac number, because 20262732260653 - 2¹ = 20262732260651 is a prime.

Together with 20262732260651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20262732260651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10131366130326 + 10131366130327.

It is an arithmetic number, because the mean of its divisors is an integer number (10131366130327).

Almost surely, 2^{20262732260653} is an apocalyptic number.

It is an amenable number.

20262732260653 is a deficient number, since it is larger than the sum of its proper divisors (1).

20262732260653 is an equidigital number, since it uses as much as digits as its factorization.

20262732260653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 46.

Adding to 20262732260653 its reverse (35606223726202), we get a palindrome (55868955986855).

The spelling of 20262732260653 in words is "twenty trillion, two hundred sixty-two billion, seven hundred thirty-two million, two hundred sixty thousand, six hundred fifty-three".