201033100 has 36 divisors (see below), whose sum is σ = 445533984. Its totient is φ = 78700480.

The previous prime is 201033089. The next prime is 201033101. The reversal of 201033100 is 1330102.

It is a super-2 number, since 2×201033100² = 80828614591220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (201033101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16687 + ... + 26086.

It is an arithmetic number, because the mean of its divisors is an integer number (12375944).

Almost surely, 2^201033100 is an apocalyptic number.

201033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201033100 is an abundant number, since it is smaller than the sum of its proper divisors (244500884).

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

201033100 is a wasteful number, since it uses less digits than its factorization.

201033100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42834 (or 42827 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 201033100 is about 14178.6141776973. The cubic root of 201033100 is about 585.8087530698.

Adding to 201033100 its reverse (1330102), we get a palindrome (202363202).

The spelling of 201033100 in words is "two hundred one million, thirty-three thousand, one hundred".