10011102020 has 48 divisors (see below), whose sum is σ = 21554972208. Its totient is φ = 3903344640.

The previous prime is 10011102019. The next prime is 10011102029. The reversal of 10011102020 is 2020111001.

It can be written as a sum of positive squares in 8 ways, for example, as 1405200196 + 8605901824 = 37486^2 + 92768^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10011101989 and 10011102007.

It is not an unprimeable number, because it can be changed into a prime (10011102029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058834 + ... + 1068246.

It is an arithmetic number, because the mean of its divisors is an integer number (449061921).

Almost surely, 2^10011102020 is an apocalyptic number.

10011102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10011102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10777486104).

10011102020 is an abundant number, since it is smaller than the sum of its proper divisors (11543870188).

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

10011102020 is a wasteful number, since it uses less digits than its factorization.

10011102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10760 (or 10758 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10011102020 its reverse (2020111001), we get a palindrome (12031213021).

The spelling of 10011102020 in words is "ten billion, eleven million, one hundred two thousand, twenty".