20024252340 has 48 divisors (see below), whose sum is σ = 58001287680. Its totient is φ = 5155669120.

The previous prime is 20024252321. The next prime is 20024252363. The reversal of 20024252340 is 4325242002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20024252340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5752356 + ... + 5755835.

It is an arithmetic number, because the mean of its divisors is an integer number (1208360160).

Almost surely, 2^20024252340 is an apocalyptic number.

20024252340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20024252340 is an abundant number, since it is smaller than the sum of its proper divisors (37977035340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20024252340 is a wasteful number, since it uses less digits than its factorization.

20024252340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11508232 (or 11508230 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 20024252340 its reverse (4325242002), we get a palindrome (24349494342).

The spelling of 20024252340 in words is "twenty billion, twenty-four million, two hundred fifty-two thousand, three hundred forty".