20413311224 has 16 divisors (see below), whose sum is σ = 39165074520. Its totient is φ = 9969291360.

The previous prime is 20413311223. The next prime is 20413311251. The reversal of 20413311224 is 42211331402.

It is a self number, because there is not a number n which added to its sum of digits gives 20413311224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413311223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29670167 + ... + 29670854.

Almost surely, 2^20413311224 is an apocalyptic number.

It is an amenable number.

20413311224 is a deficient number, since it is larger than the sum of its proper divisors (18751763296).

20413311224 is a wasteful number, since it uses less digits than its factorization.

20413311224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59341070 (or 59341066 counting only the distinct ones).

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

Adding to 20413311224 its reverse (42211331402), we get a palindrome (62624642626).

The spelling of 20413311224 in words is "twenty billion, four hundred thirteen million, three hundred eleven thousand, two hundred twenty-four".