20323425202424 has 16 divisors (see below), whose sum is σ = 38133126145800. Its totient is φ = 10154591563552.

The previous prime is 20323425202393. The next prime is 20323425202447. The reversal of 20323425202424 is 42420252432302.

It is a super-2 number, since 2×20323425202424² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890117579 + ... + 890140410.

Almost surely, 2^{20323425202424} is an apocalyptic number.

It is an amenable number.

20323425202424 is a deficient number, since it is larger than the sum of its proper divisors (17809700943376).

20323425202424 is a wasteful number, since it uses less digits than its factorization.

20323425202424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780259422 (or 1780259418 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 20323425202424 its reverse (42420252432302), we get a palindrome (62743677634726).

The spelling of 20323425202424 in words is "twenty trillion, three hundred twenty-three billion, four hundred twenty-five million, two hundred two thousand, four hundred twenty-four".