100411020 has 72 divisors (see below), whose sum is σ = 311687376. Its totient is φ = 26151552.

The previous prime is 100411013. The next prime is 100411037. The reversal of 100411020 is 20114001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100410993 and 100411011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1254 + ... + 14226.

Almost surely, 2^100411020 is an apocalyptic number.

100411020 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 100411020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155843688).

100411020 is an abundant number, since it is smaller than the sum of its proper divisors (211276356).

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

100411020 is a wasteful number, since it uses less digits than its factorization.

100411020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031 (or 13026 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 100411020 is about 10020.5299261067. The cubic root of 100411020 is about 464.7939426949.

Adding to 100411020 its reverse (20114001), we get a palindrome (120525021).

The spelling of 100411020 in words is "one hundred million, four hundred eleven thousand, twenty".