20240135224 has 8 divisors (see below), whose sum is σ = 37950253560. Its totient is φ = 10120067608.

The previous prime is 20240135221. The next prime is 20240135249. The reversal of 20240135224 is 42253104202.

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265008444 + ... + 1265008459.

It is an arithmetic number, because the mean of its divisors is an integer number (4743781695).

Almost surely, 2^20240135224 is an apocalyptic number.

It is an amenable number.

20240135224 is a deficient number, since it is larger than the sum of its proper divisors (17710118336).

20240135224 is a wasteful number, since it uses less digits than its factorization.

20240135224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530016909 (or 2530016905 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20240135224 its reverse (42253104202), we get a palindrome (62493239426).

The spelling of 20240135224 in words is "twenty billion, two hundred forty million, one hundred thirty-five thousand, two hundred twenty-four".