20010442010 has 16 divisors (see below), whose sum is σ = 38789472456. Its totient is φ = 7388470848.

The previous prime is 20010441973. The next prime is 20010442057. The reversal of 20010442010 is 1024401002.

It can be written as a sum of positive squares in 4 ways, for example, as 13943122561 + 6067319449 = 118081^2 + 77893^2 .

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, 76963109 + ... + 76963368.

Almost surely, 2^20010442010 is an apocalyptic number.

20010442010 is a deficient number, since it is larger than the sum of its proper divisors (18779030446).

20010442010 is a wasteful number, since it uses less digits than its factorization.

20010442010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153926497.

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

Adding to 20010442010 its reverse (1024401002), we get a palindrome (21034843012).

The spelling of 20010442010 in words is "twenty billion, ten million, four hundred forty-two thousand, ten".