10201122020 has 48 divisors (see below), whose sum is σ = 21511015680. Its totient is φ = 4063602816.

The previous prime is 10201122011. The next prime is 10201122047. The reversal of 10201122020 is 2022110201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10201121992 and 10201122010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9332594 + ... + 9333686.

It is an arithmetic number, because the mean of its divisors is an integer number (448146160).

Almost surely, 2^10201122020 is an apocalyptic number.

10201122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201122020 is an abundant number, since it is smaller than the sum of its proper divisors (11309893660).

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

10201122020 is a wasteful number, since it uses less digits than its factorization.

10201122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604 (or 2602 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10201122020 its reverse (2022110201), we get a palindrome (12223232221).

The spelling of 10201122020 in words is "ten billion, two hundred one million, one hundred twenty-two thousand, twenty".