20243113412 has 24 divisors (see below), whose sum is σ = 35638814400. Its totient is φ = 10060696800.

The previous prime is 20243113411. The next prime is 20243113447. The reversal of 20243113412 is 21431134202.

It is a super-2 number, since 2×20243113412² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20243113411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824498 + ... + 848694.

It is an arithmetic number, because the mean of its divisors is an integer number (1484950600).

Almost surely, 2^20243113412 is an apocalyptic number.

It is an amenable number.

20243113412 is a deficient number, since it is larger than the sum of its proper divisors (15395700988).

20243113412 is a wasteful number, since it uses less digits than its factorization.

20243113412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25451 (or 25449 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20243113412 its reverse (21431134202), we get a palindrome (41674247614).

The spelling of 20243113412 in words is "twenty billion, two hundred forty-three million, one hundred thirteen thousand, four hundred twelve".