20012345424 has 60 divisors (see below), whose sum is σ = 56253590016. Its totient is φ = 6641384256.

The previous prime is 20012345417. The next prime is 20012345449. The reversal of 20012345424 is 42454321002.

20012345424 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 234 + 5 + 424 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273424 + ... + 338799.

Almost surely, 2^20012345424 is an apocalyptic number.

20012345424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20012345424 is an abundant number, since it is smaller than the sum of its proper divisors (36241244592).

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

20012345424 is a wasteful number, since it uses less digits than its factorization.

20012345424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612464 (or 612455 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20012345424 its reverse (42454321002), we get a palindrome (62466666426).

The spelling of 20012345424 in words is "twenty billion, twelve million, three hundred forty-five thousand, four hundred twenty-four".