20223355024 has 20 divisors (see below), whose sum is σ = 39295032700. Its totient is φ = 10082701440.

The previous prime is 20223354961. The next prime is 20223355027. The reversal of 20223355024 is 42055332202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13564795024 + 6658560000 = 116468^2 + 81600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20223354983 and 20223355001.

It is not an unprimeable number, because it can be changed into a prime (20223355027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805247 + ... + 1816414.

It is an arithmetic number, because the mean of its divisors is an integer number (1964751635).

Almost surely, 2^20223355024 is an apocalyptic number.

It is an amenable number.

20223355024 is a deficient number, since it is larger than the sum of its proper divisors (19071677676).

20223355024 is a wasteful number, since it uses less digits than its factorization.

20223355024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622018 (or 3622012 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 20223355024 its reverse (42055332202), we get a palindrome (62278687226).

The spelling of 20223355024 in words is "twenty billion, two hundred twenty-three million, three hundred fifty-five thousand, twenty-four".