1020010020444 has 18 divisors (see below), whose sum is σ = 2578358662880. Its totient is φ = 340003340136.

The previous prime is 1020010020439. The next prime is 1020010020517. The reversal of 1020010020444 is 4440200100201.

1020010020444 is a `hidden beast` number, since 1 + 0 + 200 + 1 + 0 + 0 + 20 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14166805804 + ... + 14166805875.

Almost surely, 2^{1020010020444} is an apocalyptic number.

It is an amenable number.

1020010020444 is an abundant number, since it is smaller than the sum of its proper divisors (1558348642436).

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

1020010020444 is a wasteful number, since it uses less digits than its factorization.

1020010020444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28333611689 (or 28333611684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1020010020444 its reverse (4440200100201), we get a palindrome (5460210120645).

The spelling of 1020010020444 in words is "one trillion, twenty billion, ten million, twenty thousand, four hundred forty-four".