20223252553 has 8 divisors (see below), whose sum is σ = 23437814400. Its totient is φ = 17090072160.

The previous prime is 20223252499. The next prime is 20223252563. The reversal of 20223252553 is 35525232202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20223252553 - 2¹⁷ = 20223121481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20223252563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20344828 + ... + 20345821.

It is an arithmetic number, because the mean of its divisors is an integer number (2929726800).

Almost surely, 2^20223252553 is an apocalyptic number.

It is an amenable number.

20223252553 is a deficient number, since it is larger than the sum of its proper divisors (3214561847).

20223252553 is an equidigital number, since it uses as much as digits as its factorization.

20223252553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40690727.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 20223252553 its reverse (35525232202), we get a palindrome (55748484755).

The spelling of 20223252553 in words is "twenty billion, two hundred twenty-three million, two hundred fifty-two thousand, five hundred fifty-three".