20523020363 has 2 divisors, whose sum is σ = 20523020364. Its totient is φ = 20523020362.

The previous prime is 20523020327. The next prime is 20523020369. The reversal of 20523020363 is 36302032502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20523020363 - 2⁶ = 20523020299 is a prime.

It is a super-2 number, since 2×20523020363² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20523020369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261510181 + 10261510182.

It is an arithmetic number, because the mean of its divisors is an integer number (10261510182).

Almost surely, 2^20523020363 is an apocalyptic number.

20523020363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20523020363 is an equidigital number, since it uses as much as digits as its factorization.

20523020363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 20523020363 its reverse (36302032502), we get a palindrome (56825052865).

The spelling of 20523020363 in words is "twenty billion, five hundred twenty-three million, twenty thousand, three hundred sixty-three".