411021020 has 12 divisors (see below), whose sum is σ = 863144184. Its totient is φ = 164408400.

The previous prime is 411021011. The next prime is 411021029. The reversal of 411021020 is 20120114.

It is an interprime number because it is at equal distance from previous prime (411021011) and next prime (411021029).

It is a junction number, because it is equal to n+sod(n) for n = 411020992 and 411021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10275506 + ... + 10275545.

It is an arithmetic number, because the mean of its divisors is an integer number (71928682).

Almost surely, 2^411021020 is an apocalyptic number.

It is an amenable number.

411021020 is an abundant number, since it is smaller than the sum of its proper divisors (452123164).

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

411021020 is a wasteful number, since it uses less digits than its factorization.

411021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20551060 (or 20551058 counting only the distinct ones).

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

The square root of 411021020 is about 20273.6533461535. The cubic root of 411021020 is about 743.5120490119.

Adding to 411021020 its reverse (20120114), we get a palindrome (431141134).

The spelling of 411021020 in words is "four hundred eleven million, twenty-one thousand, twenty".