100533420 has 96 divisors (see below), whose sum is σ = 336853440. Its totient is φ = 24744960.

The previous prime is 100533383. The next prime is 100533439. The reversal of 100533420 is 24335001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100533393 and 100533402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141 + ... + 14180.

It is an arithmetic number, because the mean of its divisors is an integer number (3508890).

Almost surely, 2^100533420 is an apocalyptic number.

100533420 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 100533420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168426720).

100533420 is an abundant number, since it is smaller than the sum of its proper divisors (236320020).

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

100533420 is a wasteful number, since it uses less digits than its factorization.

100533420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14352 (or 14344 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 100533420 is about 10026.6355274339. The cubic root of 100533420 is about 464.9827256850.

Adding to 100533420 its reverse (24335001), we get a palindrome (124868421).

The spelling of 100533420 in words is "one hundred million, five hundred thirty-three thousand, four hundred twenty".