20244044020 has 12 divisors (see below), whose sum is σ = 42512492484. Its totient is φ = 8097617600.

The previous prime is 20244044017. The next prime is 20244044033. The reversal of 20244044020 is 2044044202.

It can be written as a sum of positive squares in 2 ways, for example, as 2423395984 + 17820648036 = 49228^2 + 133494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20244043982 and 20244044000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506101081 + ... + 506101120.

It is an arithmetic number, because the mean of its divisors is an integer number (3542707707).

Almost surely, 2^20244044020 is an apocalyptic number.

20244044020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20244044020 is an abundant number, since it is smaller than the sum of its proper divisors (22268448464).

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

20244044020 is a wasteful number, since it uses less digits than its factorization.

20244044020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012202210 (or 1012202208 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20244044020 its reverse (2044044202), we get a palindrome (22288088222).

The spelling of 20244044020 in words is "twenty billion, two hundred forty-four million, forty-four thousand, twenty".