20020110953 has 2 divisors, whose sum is σ = 20020110954. Its totient is φ = 20020110952.

The previous prime is 20020110919. The next prime is 20020110973. The reversal of 20020110953 is 35901102002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15919373584 + 4100737369 = 126172^2 + 64037^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020110953 - 2⁶ = 20020110889 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020110973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010055476 + 10010055477.

It is an arithmetic number, because the mean of its divisors is an integer number (10010055477).

Almost surely, 2^20020110953 is an apocalyptic number.

It is an amenable number.

20020110953 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020110953 is an equidigital number, since it uses as much as digits as its factorization.

20020110953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 20020110953 its reverse (35901102002), we get a palindrome (55921212955).

The spelling of 20020110953 in words is "twenty billion, twenty million, one hundred ten thousand, nine hundred fifty-three".