10011020028 has 12 divisors (see below), whose sum is σ = 23359046760. Its totient is φ = 3337006672.

The previous prime is 10011020021. The next prime is 10011020051. The reversal of 10011020028 is 82002011001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 10011019989 and 10011020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011020021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417125823 + ... + 417125846.

It is an arithmetic number, because the mean of its divisors is an integer number (1946587230).

Almost surely, 2^10011020028 is an apocalyptic number.

It is an amenable number.

10011020028 is an abundant number, since it is smaller than the sum of its proper divisors (13348026732).

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

10011020028 is a wasteful number, since it uses less digits than its factorization.

10011020028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834251676 (or 834251674 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10011020028 its reverse (82002011001), we get a palindrome (92013031029).

The spelling of 10011020028 in words is "ten billion, eleven million, twenty thousand, twenty-eight".