20270932070453 has 2 divisors, whose sum is σ = 20270932070454. Its totient is φ = 20270932070452.

The previous prime is 20270932070359. The next prime is 20270932070527. The reversal of 20270932070453 is 35407023907202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20128125927844 + 142806142609 = 4486438^2 + 377897^2 .

It is a cyclic number.

It is not a de Polignac number, because 20270932070453 - 2²⁸ = 20270663634997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20270932073453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10135466035226 + 10135466035227.

It is an arithmetic number, because the mean of its divisors is an integer number (10135466035227).

Almost surely, 2^{20270932070453} is an apocalyptic number.

It is an amenable number.

20270932070453 is a deficient number, since it is larger than the sum of its proper divisors (1).

20270932070453 is an equidigital number, since it uses as much as digits as its factorization.

20270932070453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 44.

Adding to 20270932070453 its reverse (35407023907202), we get a palindrome (55677955977655).

The spelling of 20270932070453 in words is "twenty trillion, two hundred seventy billion, nine hundred thirty-two million, seventy thousand, four hundred fifty-three".