100533020 has 24 divisors (see below), whose sum is σ = 241279584. Its totient is φ = 34468416.

The previous prime is 100533007. The next prime is 100533029. The reversal of 100533020 is 20335001.

It is a super-2 number, since 2×100533020² = 20213776220640800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 100532986 and 100533004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100533029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358907 + ... + 359186.

It is an arithmetic number, because the mean of its divisors is an integer number (10053316).

Almost surely, 2^100533020 is an apocalyptic number.

100533020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100533020 is an abundant number, since it is smaller than the sum of its proper divisors (140746564).

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

100533020 is a wasteful number, since it uses less digits than its factorization.

100533020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718109 (or 718107 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 100533020 is about 10026.6155805436. The cubic root of 100533020 is about 464.9821089968.

Adding to 100533020 its reverse (20335001), we get a palindrome (120868021).

The spelling of 100533020 in words is "one hundred million, five hundred thirty-three thousand, twenty".