20210440010 has 16 divisors (see below), whose sum is σ = 36409104072. Its totient is φ = 8077440000.

The previous prime is 20210440007. The next prime is 20210440031. The reversal of 20210440010 is 1004401202.

It can be written as a sum of positive squares in 4 ways, for example, as 15533384689 + 4677055321 = 124633^2 + 68389^2 .

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, 829391 + ... + 853410.

Almost surely, 2^20210440010 is an apocalyptic number.

20210440010 is a deficient number, since it is larger than the sum of its proper divisors (16198664062).

20210440010 is a wasteful number, since it uses less digits than its factorization.

20210440010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684009.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20210440010 its reverse (1004401202), we get a palindrome (21214841212).

The spelling of 20210440010 in words is "twenty billion, two hundred ten million, four hundred forty thousand, ten".