1000220133 has 32 divisors (see below), whose sum is σ = 1494484992. Its totient is φ = 589769600.

The previous prime is 1000220107. The next prime is 1000220161. The reversal of 1000220133 is 3310220001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1000220133 - 2⁸ = 1000219877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000220183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 631060 + ... + 632642.

It is an arithmetic number, because the mean of its divisors is an integer number (46702656).

Almost surely, 2^1000220133 is an apocalyptic number.

It is an amenable number.

1000220133 is a deficient number, since it is larger than the sum of its proper divisors (494264859).

1000220133 is a wasteful number, since it uses less digits than its factorization.

1000220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1000220133 is about 31626.2570184965. The cubic root of 1000220133 is about 1000.0733722830.

Adding to 1000220133 its reverse (3310220001), we get a palindrome (4310440134).

It can be divided in two parts, 10002 and 20133, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 1000220133 in words is "one billion, two hundred twenty thousand, one hundred thirty-three".