100020444442 has 16 divisors (see below), whose sum is σ = 157982466240. Its totient is φ = 47361470688.

The previous prime is 100020444413. The next prime is 100020444443. The reversal of 100020444442 is 244444020001.

It is not an unprimeable number, because it can be changed into a prime (100020444443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352078 + ... + 569209.

It is an arithmetic number, because the mean of its divisors is an integer number (9873904140).

Almost surely, 2^100020444442 is an apocalyptic number.

100020444442 is a deficient number, since it is larger than the sum of its proper divisors (57962021798).

100020444442 is a wasteful number, since it uses less digits than its factorization.

100020444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924165.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 100020444442 its reverse (244444020001), we get a palindrome (344464464443).

The spelling of 100020444442 in words is "one hundred billion, twenty million, four hundred forty-four thousand, four hundred forty-two".