20223053525 has 6 divisors (see below), whose sum is σ = 25076586402. Its totient is φ = 16178442800.

The previous prime is 20223053507. The next prime is 20223053527. The reversal of 20223053525 is 52535032202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 75238276 + 20147815249 = 8674^2 + 141943^2 .

It is not a de Polignac number, because 20223053525 - 2¹⁴ = 20223037141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223053527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404461046 + ... + 404461095.

It is an arithmetic number, because the mean of its divisors is an integer number (4179431067).

Almost surely, 2^20223053525 is an apocalyptic number.

20223053525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20223053525 is a deficient number, since it is larger than the sum of its proper divisors (4853532877).

20223053525 is an equidigital number, since it uses as much as digits as its factorization.

20223053525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808922151 (or 808922146 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 20223053525 its reverse (52535032202), we get a palindrome (72758085727).

The spelling of 20223053525 in words is "twenty billion, two hundred twenty-three million, fifty-three thousand, five hundred twenty-five".