20201121030 has 32 divisors (see below), whose sum is σ = 50590635264. Its totient is φ = 5152749536.

The previous prime is 20201121013. The next prime is 20201121071. The reversal of 20201121030 is 3012110202.

It is a junction number, because it is equal to n+sod(n) for n = 20201120997 and 20201121015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14637804 + ... + 14639183.

It is an arithmetic number, because the mean of its divisors is an integer number (1580957352).

Almost surely, 2^20201121030 is an apocalyptic number.

20201121030 is an abundant number, since it is smaller than the sum of its proper divisors (30389514234).

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

20201121030 is a wasteful number, since it uses less digits than its factorization.

20201121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29277020.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20201121030 its reverse (3012110202), we get a palindrome (23213231232).

The spelling of 20201121030 in words is "twenty billion, two hundred one million, one hundred twenty-one thousand, thirty".