20210011202120 has 32 divisors (see below), whose sum is σ = 48147379630200. Its totient is φ = 7608474805248.

The previous prime is 20210011202089. The next prime is 20210011202141. The reversal of 20210011202120 is 2120211001202.

It can be written as a sum of positive squares in 4 ways, for example, as 20115027660484 + 94983541636 = 4484978^2 + 308194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20210011202095 and 20210011202104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14860301675 + ... + 14860303034.

Almost surely, 2^{20210011202120} is an apocalyptic number.

20210011202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210011202120 is an abundant number, since it is smaller than the sum of its proper divisors (27937368428080).

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

20210011202120 is a wasteful number, since it uses less digits than its factorization.

20210011202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29720604737 (or 29720604733 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20210011202120 its reverse (2120211001202), we get a palindrome (22330222203322).

The spelling of 20210011202120 in words is "twenty trillion, two hundred ten billion, eleven million, two hundred two thousand, one hundred twenty".