20442413002 has 12 divisors (see below), whose sum is σ = 33704640018. Its totient is φ = 9292005800.

The previous prime is 20442412951. The next prime is 20442413009. The reversal of 20442413002 is 20031424402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19790581041 + 651831961 = 140679^2 + 25531^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20442413009) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 42236149 + ... + 42236632.

Almost surely, 2^20442413002 is an apocalyptic number.

20442413002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20442413002 is a deficient number, since it is larger than the sum of its proper divisors (13262227016).

20442413002 is a wasteful number, since it uses less digits than its factorization.

20442413002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84472805 (or 84472794 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20442413002 its reverse (20031424402), we get a palindrome (40473837404).

The spelling of 20442413002 in words is "twenty billion, four hundred forty-two million, four hundred thirteen thousand, two".