20243562424 has 32 divisors (see below), whose sum is σ = 40354290720. Its totient is φ = 9499025536.

The previous prime is 20243562421. The next prime is 20243562517. The reversal of 20243562424 is 42426534202.

It is a super-2 number, since 2×20243562424² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20243562424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243562421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028167 + ... + 1047670.

It is an arithmetic number, because the mean of its divisors is an integer number (1261071585).

Almost surely, 2^20243562424 is an apocalyptic number.

It is an amenable number.

20243562424 is a deficient number, since it is larger than the sum of its proper divisors (20110728296).

20243562424 is a wasteful number, since it uses less digits than its factorization.

20243562424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075919 (or 2075915 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

The spelling of 20243562424 in words is "twenty billion, two hundred forty-three million, five hundred sixty-two thousand, four hundred twenty-four".