20244403002 has 16 divisors (see below), whose sum is σ = 40525067232. Its totient is φ = 6742090800.

The previous prime is 20244402991. The next prime is 20244403009. The reversal of 20244403002 is 20030444202.

It is a super-2 number, since 2×20244403002² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20244403002.

It is not an unprimeable number, because it can be changed into a prime (20244403009) by changing a digit.

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, 1503624 + ... + 1517027.

It is an arithmetic number, because the mean of its divisors is an integer number (2532816702).

Almost surely, 2^20244403002 is an apocalyptic number.

20244403002 is an abundant number, since it is smaller than the sum of its proper divisors (20280664230).

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

20244403002 is a wasteful number, since it uses less digits than its factorization.

20244403002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021773.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 20244403002 its reverse (20030444202), we get a palindrome (40274847204).

The spelling of 20244403002 in words is "twenty billion, two hundred forty-four million, four hundred three thousand, two".