20205006424 has 16 divisors (see below), whose sum is σ = 38526496200. Its totient is φ = 9931274112.

The previous prime is 20205006421. The next prime is 20205006427. The reversal of 20205006424 is 42460050202.

It is an interprime number because it is at equal distance from previous prime (20205006421) and next prime (20205006427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20205006421) 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 in 3 ways as a sum of consecutive naturals, for example, 21403137 + ... + 21404080.

Almost surely, 2^20205006424 is an apocalyptic number.

It is an amenable number.

20205006424 is a deficient number, since it is larger than the sum of its proper divisors (18321489776).

20205006424 is a wasteful number, since it uses less digits than its factorization.

20205006424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42807282 (or 42807278 counting only the distinct ones).

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

Adding to 20205006424 its reverse (42460050202), we get a palindrome (62665056626).

The spelling of 20205006424 in words is "twenty billion, two hundred five million, six thousand, four hundred twenty-four".