20240135223 has 16 divisors (see below), whose sum is σ = 33645939456. Its totient is φ = 10514355840.

The previous prime is 20240135221. The next prime is 20240135249. The reversal of 20240135223 is 32253104202.

It is not a de Polignac number, because 20240135223 - 2¹ = 20240135221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20240135193 and 20240135202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240135221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43809586 + ... + 43810047.

It is an arithmetic number, because the mean of its divisors is an integer number (2102871216).

Almost surely, 2^20240135223 is an apocalyptic number.

20240135223 is a deficient number, since it is larger than the sum of its proper divisors (13405804233).

20240135223 is a wasteful number, since it uses less digits than its factorization.

20240135223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87619654.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20240135223 its reverse (32253104202), we get a palindrome (52493239425).

The spelling of 20240135223 in words is "twenty billion, two hundred forty million, one hundred thirty-five thousand, two hundred twenty-three".