20413444402 has 32 divisors (see below), whose sum is σ = 33189980544. Its totient is φ = 9360489600.

The previous prime is 20413444361. The next prime is 20413444427. The reversal of 20413444402 is 20444431402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3458718 + ... + 3464614.

It is an arithmetic number, because the mean of its divisors is an integer number (1037186892).

Almost surely, 2^20413444402 is an apocalyptic number.

20413444402 is a deficient number, since it is larger than the sum of its proper divisors (12776536142).

20413444402 is a wasteful number, since it uses less digits than its factorization.

20413444402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20413444402 its reverse (20444431402), we get a palindrome (40857875804).

It can be divided in two parts, 2041 and 3444402, that added together give a palindrome (3446443).

The spelling of 20413444402 in words is "twenty billion, four hundred thirteen million, four hundred forty-four thousand, four hundred two".