20224334120402 has 16 divisors (see below), whose sum is σ = 31735200778200. Its totient is φ = 9653769713280.

The previous prime is 20224334120387. The next prime is 20224334120413. The reversal of 20224334120402 is 20402143342202.

It can be written as a sum of positive squares in 4 ways, for example, as 13069880722441 + 7154453397961 = 3615229^2 + 2674781^2 .

It is a super-2 number, since 2×20224334120402² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

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, 1958957849 + ... + 1958968172.

Almost surely, 2^{20224334120402} is an apocalyptic number.

20224334120402 is a deficient number, since it is larger than the sum of its proper divisors (11510866657798).

20224334120402 is a wasteful number, since it uses less digits than its factorization.

20224334120402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917926141.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20224334120402 its reverse (20402143342202), we get a palindrome (40626477462604).

The spelling of 20224334120402 in words is "twenty trillion, two hundred twenty-four billion, three hundred thirty-four million, one hundred twenty thousand, four hundred two".