20413442424 has 16 divisors (see below), whose sum is σ = 51033606120. Its totient is φ = 6804480800.

The previous prime is 20413442419. The next prime is 20413442447. The reversal of 20413442424 is 42424431402.

It is a junction number, because it is equal to n+sod(n) for n = 20413442391 and 20413442400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425280027 + ... + 425280074.

Almost surely, 2^20413442424 is an apocalyptic number.

20413442424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20413442424 is an abundant number, since it is smaller than the sum of its proper divisors (30620163696).

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

20413442424 is a wasteful number, since it uses less digits than its factorization.

20413442424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850560110 (or 850560106 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20413442424 its reverse (42424431402), we get a palindrome (62837873826).

The spelling of 20413442424 in words is "twenty billion, four hundred thirteen million, four hundred forty-two thousand, four hundred twenty-four".