10020111444 has 72 divisors (see below), whose sum is σ = 28984999680. Its totient is φ = 2859129792.

The previous prime is 10020111443. The next prime is 10020111461. The reversal of 10020111444 is 44411102001.

10020111444 is a `hidden beast` number, since 10 + 0 + 201 + 11 + 444 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020111443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169077 + ... + 220515.

It is an arithmetic number, because the mean of its divisors is an integer number (402569440).

Almost surely, 2^10020111444 is an apocalyptic number.

10020111444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10020111444 is an abundant number, since it is smaller than the sum of its proper divisors (18964888236).

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

10020111444 is a wasteful number, since it uses less digits than its factorization.

10020111444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52229 (or 52224 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10020111444 its reverse (44411102001), we get a palindrome (54431213445).

The spelling of 10020111444 in words is "ten billion, twenty million, one hundred eleven thousand, four hundred forty-four".