20224013004 has 108 divisors (see below), whose sum is σ = 55458886392. Its totient is φ = 6211296000.

The previous prime is 20224012967. The next prime is 20224013063. The reversal of 20224013004 is 40031042202.

It is a super-2 number, since 2×20224013004² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3653719 + ... + 3659249.

Almost surely, 2^20224013004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20224013004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27729443196).

20224013004 is an abundant number, since it is smaller than the sum of its proper divisors (35234873388).

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

20224013004 is a wasteful number, since it uses less digits than its factorization.

20224013004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168 (or 6150 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20224013004 its reverse (40031042202), we get a palindrome (60255055206).

The spelling of 20224013004 in words is "twenty billion, two hundred twenty-four million, thirteen thousand, four".