20424400112 has 40 divisors (see below), whose sum is σ = 39939443712. Its totient is φ = 10117880000.

The previous prime is 20424400103. The next prime is 20424400121. The reversal of 20424400112 is 21100442402.

It is an interprime number because it is at equal distance from previous prime (20424400103) and next prime (20424400121).

It is a super-2 number, since 2×20424400112² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753743 + ... + 780369.

Almost surely, 2^20424400112 is an apocalyptic number.

It is an amenable number.

20424400112 is a deficient number, since it is larger than the sum of its proper divisors (19515043600).

20424400112 is a wasteful number, since it uses less digits than its factorization.

20424400112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27077 (or 27071 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20424400112 its reverse (21100442402), we get a palindrome (41524842514).

The spelling of 20424400112 in words is "twenty billion, four hundred twenty-four million, four hundred thousand, one hundred twelve".