900069220 has 24 divisors (see below), whose sum is σ = 1898064000. Its totient is φ = 358519392.

The previous prime is 900069179. The next prime is 900069227. The reversal of 900069220 is 22960009.

It is not an unprimeable number, because it can be changed into a prime (900069227) 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, 89370 + ... + 98929.

It is an arithmetic number, because the mean of its divisors is an integer number (79086000).

Almost surely, 2^900069220 is an apocalyptic number.

It is an amenable number.

900069220 is an abundant number, since it is smaller than the sum of its proper divisors (997994780).

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

900069220 is a wasteful number, since it uses less digits than its factorization.

900069220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188547 (or 188545 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 900069220 is about 30001.1536444851. The cubic root of 900069220 is about 965.5141362582.

The spelling of 900069220 in words is "nine hundred million, sixty-nine thousand, two hundred twenty".